Lets update prebuilt ARC toolchain to the most recent arc-2019.09.
We are dropping dependency of BR2_ARCH_NEEDS_GCC_AT_LEAST_*
as for ARC arch there is no any selection of
BR2_ARCH_NEEDS_GCC_AT_LEAST_* option.
Signed-off-by: Evgeniy Didin <didin@synopsys.com>
Cc: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: arc-buildroot@synopsys.com
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
