Add rootfs overlay with SSH keys to be used during development

board/raspberrypi/rootfs-overlay/etc/ssh/ssh_host_ecdsa_key

@@ -0,0 +1,9 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAaAAAABNlY2RzYS
+1zaGEyLW5pc3RwMjU2AAAACG5pc3RwMjU2AAAAQQSl9RVGjxEE1Z6qDY21KA6tmgLqacnk
+vKc1kSkID/EbnevNtVCsiXFnz3+8SVhwN40LvsGTYCvpvY1rfdbEMuQ5AAAAqN1fGILdXx
+iCAAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKX1FUaPEQTVnqoN
+jbUoDq2aAuppyeS8pzWRKQgP8Rud6821UKyJcWfPf7xJWHA3jQu+wZNgK+m9jWt91sQy5D
+kAAAAgW9F8JZ52i66TzRFQXijQ9fCZNKoQvYLQNbFsRTtouyYAAAAOcm9vdEBidWlsZHJv
+b3QBAg==
+-----END OPENSSH PRIVATE KEY-----

board/raspberrypi/rootfs-overlay/etc/ssh/ssh_host_ecdsa_key.pub

@@ -0,0 +1 @@
+ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKX1FUaPEQTVnqoNjbUoDq2aAuppyeS8pzWRKQgP8Rud6821UKyJcWfPf7xJWHA3jQu+wZNgK+m9jWt91sQy5Dk= root@buildroot

board/raspberrypi/rootfs-overlay/etc/ssh/ssh_host_ed25519_key

@@ -0,0 +1,7 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
+QyNTUxOQAAACBum+4jD3lEmZe0zInr6m0FoTfijCtR3ja59pYjpYVJNwAAAJg/TeMTP03j
+EwAAAAtzc2gtZWQyNTUxOQAAACBum+4jD3lEmZe0zInr6m0FoTfijCtR3ja59pYjpYVJNw
+AAAEASEHCJMowIsJDYg06NfQl9vQG6xGMEjSbiYJJMtRJNS26b7iMPeUSZl7TMievqbQWh
+N+KMK1HeNrn2liOlhUk3AAAADnJvb3RAYnVpbGRyb290AQIDBAUGBw==
+-----END OPENSSH PRIVATE KEY-----

board/raspberrypi/rootfs-overlay/etc/ssh/ssh_host_ed25519_key.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIG6b7iMPeUSZl7TMievqbQWhN+KMK1HeNrn2liOlhUk3 root@buildroot

board/raspberrypi/rootfs-overlay/etc/ssh/ssh_host_rsa_key

@@ -0,0 +1,38 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn
+NhAAAAAwEAAQAAAYEAqUYEmj8quKSi0lKxyjzh/cxdnVRKOvOn/qGSDlVjLjB8POfE9gAL
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+vRS7MD6chxWYLy7MDHROW3f7PdnH8J+qLzjrcuIMH3ducNeFWH8aQ5xDLiz+Gn1AhfXKn+
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+NMBmyR2xSDS++jKvoECOAC7IQ/K/P1kNtUFj4ZUnAAAFiEW6iEFFuohBAAAAB3NzaC1yc2
+EAAAGBAKlGBJo/KrikotJSsco84f3MXZ1USjrzp/6hkg5VYy4wfDznxPYAC76Sy0y09WwB
+wJj4dkd0JtGnXKHWX1RXcZ2ulbx57HjXfDOl/vIeyKXYIht+F5VjjdCvDcTfh63Dxsyqg0
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+vvoyr6BAjgAuyEPyvz9ZDbVBY+GVJwAAAAMBAAEAAAGAGBlaJw+efcJ1VSuQGPJ0BisQmj
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+koHRF2Enj8XRVxD090SHajiPieOUeHAAAAwQC9Wxb3ln2VDl/OpM/6Nl+QMk5TMpJOw7Tp
+jC03auwIjHI39RDqN95rinlizpziyiEIqvY+Gb0SU4RI5Mg0DKbyDIQ36UVGEPMt4pNA+z
+F8L5DVXbo6eG5KAEZOUIPXmeqCyQEyMWMZ3+stQrMCQEZo70gt/GwpyUTrZkvNsuAZ3bqY
+KzAhFnw1jzXblami8qtE/2htao+hnjJqAKTr8C8bAocfO4isVZxA12Tu3lWBAlA1abuAVA
+xSuIDR9Zm/bWEAAAAOcm9vdEBidWlsZHJvb3QBAgMEBQ==
+-----END OPENSSH PRIVATE KEY-----

board/raspberrypi/rootfs-overlay/etc/ssh/ssh_host_rsa_key.pub

@@ -0,0 +1 @@
+ssh-rsa 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 root@buildroot

board/raspberrypi/rootfs-overlay/root/.ssh/authorized_keys

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN91vSBSoQ6Xlvohjp6cu4IkL83KKEx//BLgQdvbukHR gabriel@gabriel-a65

configs/raspberrypi_common_defconfig

@@ -8,6 +8,7 @@ BR2_PACKAGE_HOST_GDB=y
 BR2_GDB_VERSION_16=y
 BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
 BR2_SYSTEM_DHCP="eth0"
+BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_RPI_COMMON_PATH)/board/raspberrypi/rootfs-overlay"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/raspberrypi/post-build.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_RPI_COMMON_PATH)/board/raspberrypi/post-image.sh"
 BR2_LINUX_KERNEL=y