omap2/3/4: serial: Remove condition for getting uart4_phys
omap2/3/4: serial: Remove condition for getting uart4_phys

This check is invalid, since we haven't filled the
omap_revision var at this point.

Signed-off-by: Sergio Aguirre <b646483b640f89f44ae4470ad6fed00718e5a6b7@ti.com>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs