drm: xilinx: fb: Fix styles

drm: xilinx: fb: Fix styles

Fix checkpatch warnings such as alignement and extra blank lines:

CHECK: Alignment should match open parenthesis
+       DRM_DEBUG_KMS("surface width(%d), height(%d) and bpp(%d)\n",
+                       sizes->surface_width, sizes->surface_height,

CHECK: Blank lines aren't necessary before a close brace '}'
+
+       }

CHECK: Please don't use multiple blank lines
+
+

Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>