drm/i915: Replace DRM_LOG_KMS() by DRM_DEBUG_KMS()

There are only a few users of the DRM_LOG_KMS() macro. We can simplify
the DRM code a bit by replacing them by DRM_DEBUG_KMS().

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/i915/dvo_ns2501.c b/drivers/gpu/drm/i915/dvo_ns2501.c
index 954acb2..8155ded 100644
--- a/drivers/gpu/drm/i915/dvo_ns2501.c
+++ b/drivers/gpu/drm/i915/dvo_ns2501.c
@@ -490,15 +490,15 @@
 	uint8_t val;
 
 	ns2501_readb(dvo, NS2501_FREQ_LO, &val);
-	DRM_LOG_KMS("NS2501_FREQ_LO: 0x%02x\n", val);
+	DRM_DEBUG_KMS("NS2501_FREQ_LO: 0x%02x\n", val);
 	ns2501_readb(dvo, NS2501_FREQ_HI, &val);
-	DRM_LOG_KMS("NS2501_FREQ_HI: 0x%02x\n", val);
+	DRM_DEBUG_KMS("NS2501_FREQ_HI: 0x%02x\n", val);
 	ns2501_readb(dvo, NS2501_REG8, &val);
-	DRM_LOG_KMS("NS2501_REG8: 0x%02x\n", val);
+	DRM_DEBUG_KMS("NS2501_REG8: 0x%02x\n", val);
 	ns2501_readb(dvo, NS2501_REG9, &val);
-	DRM_LOG_KMS("NS2501_REG9: 0x%02x\n", val);
+	DRM_DEBUG_KMS("NS2501_REG9: 0x%02x\n", val);
 	ns2501_readb(dvo, NS2501_REGC, &val);
-	DRM_LOG_KMS("NS2501_REGC: 0x%02x\n", val);
+	DRM_DEBUG_KMS("NS2501_REGC: 0x%02x\n", val);
 }
 
 static void ns2501_destroy(struct intel_dvo_device *dvo)