drm: zynq_drm: Kconfig: Add ARCH_ZYNQ and DRM_KMS_GEM_HELPER

Add to depend on ARCH_ZYNQ and select DRM_KMS_GEM_HELPER

Signed-off-by: hyun woo kwon <hyunk@xilinx.com>
drm: zynq_drm: crtc: Use drm_send_vblak_event() helper

Change to use drm_send_vblank_event()

Signed-off-by: hyun woo kwon <hyunk@xilinx.com>
drm: zynq_drm: drv: Change MODULE info

Remove Author's name from MODULE_AUTHOR(), and change license to GPL v2 in MODULE_LICENSE()

Signed-off-by: hyun woo kwon <hyunk@xilinx.com>
drm: zynq_drm: drv: Use pr_info() for debug message

Use pr_info() instead of printk(KERN_INFO )

Signed-off-by: hyun woo kwon <hyunk@xilinx.com>
drm: zynq_drm: cresample: Remove unnecessary error checking

Remove unnecessary error checking for node

Signed-off-by: hyun woo kwon <hyunk@xilinx.com>
drm: zynq_drm: osd: Remove unnecessary error checking

Remove unnecessary error checking for node

Signed-off-by: hyun woo kwon <hyunk@xilinx.com>
drm: zynq_drm: rgb2yuv: Remove unnecessary error checking

Remove unnecessary error checking for node

Signed-off-by: hyun woo kwon <hyunk@xilinx.com>
drm: zynq_drm: vtc: Remove unnecessary error checking

Remove unnecessary error checking for node

Signed-off-by: hyun woo kwon <hyunk@xilinx.com>
drm: zynq_drm: Change names from Zynq to Xilinx

Change names from Zynq to Xilinx.

Signed-off-by: Hyun Kwon <hyunk@xilinx.com>