m7-common: Split out BCM4335 firmware by GSM/CDMA

BCM4335B0_002.001.006.0296.xxx.hcd is specific to the GSM or CDMA
variants of this device. Move it out of common.

Change-Id: I307286fe1e23f69dff82b7bb1eae15c41e58e941
Merge remote-tracking branch 'cm/cm-11.0' into HEAD