Revert "arch/arm/mach-msm/Kconfig: decouple QCACHE from MSM board selection"

This reverts commit 3bf153549f96ee28c5d0017644f37f7f31d35810.
Revert "msm_ion.c: fix zcache compatibility issues"

This reverts commit 5370dedbcfcca19a9302efe5bfcb709a63ab4d1d.
Revert "init/Kconfig: decouple DEBUG_KERNEL from EXPERT settings"

This reverts commit becb4bb027ee1fe47b880dec4e0b3efdcbe74e0c.
defconfig: regen after reverts

Signed-off-by: Paul Reioux <reioux@gmail.com>