defconfig: enable FRONTSWAP ZRAM ZSMALLOC
drivers: staging: Fix Zcache

 * Remove dependency on obsolete qcache
 * Remove X86 dependency as this version of zsmalloc supports ARM
 * Fix args for updated zsmalloc
 * Enable for JF

Change-Id: I7a6daf84246df54bb8030268d07a96256db4fc42

Conflicts:
	arch/arm/configs/L05E_defconfig
	drivers/staging/zcache/Kconfig
	drivers/staging/zcache/zcache-main.c
	drivers/staging/zsmalloc/Kconfig