ARM: config: Update Vexpress defconfig

The Versatile Express should conform to standard contemporary
kernel features: add NO_HZ_FULL and HIGH_RES_TIMERS. Also add
the AFS flash partitions as these are used on the platform.

The removed SCHED_DEBUG is due to Kconfig changes.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230418082427.186677-1-linus.walleij@linaro.org


Signed-off-by: Arnd Bergmann <arnd@arndb.de>