drm/i915: s/intel_crtc/crtc/ in intel_crtc_init()

Let's get rid of the redundant intel_ prefix on our variables.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107142417.11107-2-ville.syrjala@linux.intel.com


Reviewed-by: José Roberto de Souza <jose.souza@intel.com>