mach-msm: board: 8064: Add proper checks for external 3.3V regulator on/off

MPQ8064 Hybrid boards doesn't have an external 3.3V regulators.
Add proper checks to external 3.3V regulator turn on/off code.

Change-Id: I79d0040220084359e8c17c84fafa1019c4891e3c
Signed-off-by: Bamidi RaviKiran <bamidir@codeaurora.org>
1 file changed