vfb: Support vfb configuration from kernel cmdline
vfb: Support vfb configuration from kernel cmdline

Add support to configure mode_option, framebuffer size and bpp
from kernel command line.

Signed-off-by: Shashank Mittal <9ff3ab524e11ba321d11be4179b23fa5f48d12c8@codeaurora.org>
Signed-off-by: David Brown <67bb63793f66c3c3797af10faa739beca3aeb927@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