This commit adds the Cortex-A720 core, which is a armv9.2a ISA. See: [1] [2]. This CPU support was added in GCC 14. See [3] [4]. Cortex-A720 processors are included in boards such as the Radxa Orion O6. See [5]. This CPU supports Aarch64 only at all exception levels (EL0 to EL3). [1] https://developer.arm.com/Processors/Cortex-A720 [2] https://developer.arm.com/documentation/102530/0002/The-Cortex-A720--core/Cortex-A720--core-features [3] https://gcc.gnu.org/gcc-14/changes.html#aarch64 [4] https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/config/aarch64/aarch64-cores.def;hb=releases/gcc-14.1.0#l180 [5] https://radxa.com/products/orion/o6/ Signed-off-by: Julien Olivain <ju.o@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>