msm: msm7k_fiq: Add fiq support only for 8x25
msm: msm7k_fiq: Add fiq support only for 8x25

FIQ support is currently only for 8x25, adding a
cpu check to remove support for others.

Change-Id: If96381a2c69aeee0b5a20aae452990df44e6acae
Signed-off-by: Taniya Das <63b28e27bf69acc4dec1054c30a321550435902e@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas