Until now only one option was shown, and we were automatically
selecting the ARC700/ARChs and LE/BE toolchains based on the
architecture selection. However now, Synopsys offers glibc/uClibc
toolchains, and we can't decide that automatically, so let's add an
explicit choice for the user to chose between the different variants
of Synopsys toolchains available.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
[yann.morin.1998@free.fr: fix glibc toolchain prompt to mention ARC HS]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>