Revert "staging: add pronto to Makefile"

This reverts commit 51800665b668798b419d2c16a6017f300bdb4ed0.
Revert "Add pronto wlan driver"

This reverts commit 5783473401be863ef32502e602b575a407d5d08e.
Add Pronto WLAN Driver from kk_3.5_rb1.10 branch of
https://www.codeaurora.org/cgit/quic/la/platform/vendor/qcom-opensource/wlan/prima/
And update m8* defconfigs

Conflicts:
	arch/arm/configs/cm_m8_defconfig
	arch/arm/configs/cm_m8wl_defconfig
	drivers/staging/Kconfig