target: mpc85xx: refresh kernel patches

Re-applied patches:
001-powerpc-85xx-add-gpio-keys-to-of-match-table.patch
100-powerpc-85xx-tl-wdr4900-v1-support.patch

Dropped patch:
200-spi-fsl-espi-preallocate-local-buffer.patch
now part of kernel upstream hash
https://github.com/torvalds/linux/commit/1423877b73ed5f4982eaba8bed359605b9918a2b



Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>