drm: xilinx: sdi: omnitek box modes

drm: xilinx: sdi: omnitek box modes

Tested with new sdi compliance Omnitek box.
Based on this box modifying SDI DRM_MODE table.
Adding the support for below new modes:
	- 1920x1080i@48
	- 2048x1080i@48
	- 2048x1080i@50
	- 2048x1080i@60
	- 1920x1080@48
	- 3840x2160@48
Correcting 3 other resolutions value as well observed
while testing.
	- 1920x1080i@50
	- 4096x2160@48Hz
	- 1920x1080i@96Hz

Signed-off-by: Saurabh Sengar <saurabhs@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>