atomisp: fix WDR sensor format
atomisp: fix WDR sensor format

 * change RG12 to BA12

Signed-off-by: Wind Yuan <d3b25194a13defcddf619d66a03bde7d96f8d487@intel.com>

zjamy/libxcam,zjamy/libxcam,dspmeng/libxcam,skibey/libxcam,dspmeng/libxcam,zjamy/libxcam,skibey/libxcam,skibey/libxcam,dspmeng/libxcam