drm/i915/dmc: DMC 1.04 for Kabylake

There is a new version of DMC available for KBL.

The release notes mentions:
1. Fix for the issue where DC_STATE was getting enabled even
when disabled by driver causing data corruption.

v2: Remove pull request from commit message (Rodrigo).

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1510253503-12634-1-git-send-email-anusha.srivatsa@intel.com

drivers/gpu/drm/i915/intel_csr.c

@@ -40,9 +40,9 @@
 #define I915_CSR_CNL "i915/cnl_dmc_ver1_06.bin"
 #define CNL_CSR_VERSION_REQUIRED	CSR_VERSION(1, 6)
 
-#define I915_CSR_KBL "i915/kbl_dmc_ver1_01.bin"
+#define I915_CSR_KBL "i915/kbl_dmc_ver1_04.bin"
 MODULE_FIRMWARE(I915_CSR_KBL);
-#define KBL_CSR_VERSION_REQUIRED	CSR_VERSION(1, 1)
+#define KBL_CSR_VERSION_REQUIRED	CSR_VERSION(1, 4)
 
 #define I915_CSR_SKL "i915/skl_dmc_ver1_26.bin"
 MODULE_FIRMWARE(I915_CSR_SKL);