TEST: Squashed revert of defconfig changes

Revert "defconfigs: enable SERIAL_MSM_HS_TI"

This reverts commit 5ad1772559a32985f537972975de7e064b85d11c.

Revert "defconfigs: Various updates"

This reverts commit 0760878576012541d7d5bbf951f1557aa7554719.

Revert "defconfigs: Disable debugging & unused stuff"

This reverts commit f55f23878408698d409d556caac6ae76d2d6643e.

Conflicts:
	arch/arm/configs/lx_phoenix_defconfig
	arch/arm/configs/lx_zeus_defconfig

Change-Id: Ic9c006a3d1747d3864fc83789f84ce2c7c5ebe6d

Revert "defconfigs: Disable debugfs"

This reverts commit f796836bc514c0ff414e2ad61fa33a68226367fe.

Conflicts:
	arch/arm/configs/lx_phoenix_defconfig
	arch/arm/configs/lx_zeus_defconfig

Change-Id: Ie1d28cea2398fbb4291ccdc97c7fdfe45b761e08