msm-of: Remove init macros to avoid "section mismatch" error during compilation

Change-Id: Ibcb0ffa9e11a200d866f11bf151a7705b2f3b343
Disable -fconserve-stack on ARM v2

There are reports that -fconserve-stack misaligns variables on the stack.
Disable it for ARM to work around this gcc bug.

v2: Move top level flags definition up

Change-Id: I4a3b058b7a50bc513580e695995f77cd721e1fb9
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>