drm/i915: Shrink cxsr_latency_table

unsigned long is too wide - use smaller types in
struct cxsr_latency to save 800-something bytes of .rodata.

v2: All data even fits in u16 for even more saving. (Ville Syrjala)
v3: Move bitfields to the end of the struct. (Joonas Lahtinen)

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index f48e79a..1663000 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -807,14 +807,14 @@
 };
 
 struct cxsr_latency {
-	int is_desktop;
-	int is_ddr3;
-	unsigned long fsb_freq;
-	unsigned long mem_freq;
-	unsigned long display_sr;
-	unsigned long display_hpll_disable;
-	unsigned long cursor_sr;
-	unsigned long cursor_hpll_disable;
+	u16 fsb_freq;
+	u16 mem_freq;
+	u16 display_sr;
+	u16 display_hpll_disable;
+	u16 cursor_sr;
+	u16 cursor_hpll_disable;
+	bool is_desktop : 1;
+	bool is_ddr3 : 1;
 };
 
 #define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base)