Instead of using an external toolchain built specifically for the
autobuilders to test SH4/uclibc, use a pre-built Bootlin toolchain.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
[yann.morin.1998@free.fr: drop BR2_sh4=y which is the default]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
