drm/i915/uncore: switch to kernel unsigned int types

We have fairly mixed uintN_t vs. uN usage throughout the driver, but try
to stick to kernel types at least where it's more prevalent.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/4af5f30fc9665d1bed1eed09e7f749737749d739.1528794959.git.jani.nikula@intel.com

drivers/gpu/drm/i915/intel_uncore.h

@@ -67,21 +67,21 @@ struct intel_uncore_funcs {
 	void (*force_wake_put)(struct drm_i915_private *dev_priv,
 			       enum forcewake_domains domains);
 
-	uint8_t  (*mmio_readb)(struct drm_i915_private *dev_priv,
-			       i915_reg_t r, bool trace);
-	uint16_t (*mmio_readw)(struct drm_i915_private *dev_priv,
-			       i915_reg_t r, bool trace);
-	uint32_t (*mmio_readl)(struct drm_i915_private *dev_priv,
-			       i915_reg_t r, bool trace);
-	uint64_t (*mmio_readq)(struct drm_i915_private *dev_priv,
-			       i915_reg_t r, bool trace);
+	u8 (*mmio_readb)(struct drm_i915_private *dev_priv,
+			 i915_reg_t r, bool trace);
+	u16 (*mmio_readw)(struct drm_i915_private *dev_priv,
+			  i915_reg_t r, bool trace);
+	u32 (*mmio_readl)(struct drm_i915_private *dev_priv,
+			  i915_reg_t r, bool trace);
+	u64 (*mmio_readq)(struct drm_i915_private *dev_priv,
+			  i915_reg_t r, bool trace);
 
 	void (*mmio_writeb)(struct drm_i915_private *dev_priv,
-			    i915_reg_t r, uint8_t val, bool trace);
+			    i915_reg_t r, u8 val, bool trace);
 	void (*mmio_writew)(struct drm_i915_private *dev_priv,
-			    i915_reg_t r, uint16_t val, bool trace);
+			    i915_reg_t r, u16 val, bool trace);
 	void (*mmio_writel)(struct drm_i915_private *dev_priv,
-			    i915_reg_t r, uint32_t val, bool trace);
+			    i915_reg_t r, u32 val, bool trace);
 };
 
 struct intel_forcewake_range {