msm: Kconfig: Fix the defconfig warnings for 8974

Some dependencies are not properly enabled hence modifying Kconfigs
for correctness and to fix warnings.

CRs-Fixed: 420330
Change-Id: Ibdd7b11bafed388d232e99e034867d6fecc3893e
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>