drm/i915: rename BROADWATER and CRESTLINE to I965G and I965GM, respectively

Add more consistency to our naming. Pineview remains the outlier. Keep
using code names for gen5+.

v2: rebased

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1481105584-23033-1-git-send-email-jani.nikula@intel.com
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index c0bcf32..99e8eed 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -156,14 +156,14 @@ static const struct intel_device_info intel_pineview_info = {
 
 static const struct intel_device_info intel_i965g_info = {
 	GEN4_FEATURES,
-	.platform = INTEL_BROADWATER,
+	.platform = INTEL_I965G,
 	.has_overlay = 1,
 	.hws_needs_physical = 1,
 };
 
 static const struct intel_device_info intel_i965gm_info = {
 	GEN4_FEATURES,
-	.platform = INTEL_CRESTLINE,
+	.platform = INTEL_I965GM,
 	.is_mobile = 1, .has_fbc = 1,
 	.has_overlay = 1,
 	.supports_tv = 1,