[Buildroot] [PATCH v2] package/gcc: backport fix for xtensa PR 90922

[Peter Korsgaard]

>>>>> "Max" == Max Filippov <jcmvbkbc at gmail.com> writes:

 > Stack pointer adjustment code in xtensa call0 ABI prologue missed a case
 > of no callee-saved registers and a stack frame size bigger than 128 bytes.
 > Handle that case.

 > Signed-off-by: Max Filippov <jcmvbkbc at gmail.com>
 > ---
 > Changes v1->v2:
 > - fix subject line

Committed to 2019.02.x, 2019.05.x and 2019.08.x, thanks.

-- 
Bye, Peter Korsgaard