msm: Remove Kconfig options for unsupported platforms

Drop support from mach-msm/Kconfig the following platforms that are no
longer supported as any associated config options related to these
platforms:

MSM7X01A, MSM7X25, MSM7X27, MSM7X30, QSD8X50, MSM8X60, MSM8960, MSM8930,
APQ8064, FSM9XXX, MSM9615, MSM8625, MSM9625, MSM7X27A

Change-Id: I6070ddd7b783a4bb39be27a33dcce47d956c0109
Signed-off-by: Kumar Gala <galak@codeaurora.org>