drm: Correct DP DSC macro typo

In the file drm_dp_helper.h we have a macro named
DP_DSC_THROUGHPUT_MODE_{0,1}_UPSUPPORTED, the correct name should be
DP_DSC_THROUGHPUT_MODE_{0,1}_UNSUPPORTED. This commits adjusts this typo
in the header file and in other places that attempt to access this
macro.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200429184142.1867987-1-Rodrigo.Siqueira@amd.com

drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c

@@ -129,7 +129,7 @@ static bool dsc_line_buff_depth_from_dpcd(int dpcd_line_buff_bit_depth, int *lin
 static bool dsc_throughput_from_dpcd(int dpcd_throughput, int *throughput)
 {
 	switch (dpcd_throughput) {
-	case DP_DSC_THROUGHPUT_MODE_0_UPSUPPORTED:
+	case DP_DSC_THROUGHPUT_MODE_0_UNSUPPORTED:
 		*throughput = 0;
 		break;
 	case DP_DSC_THROUGHPUT_MODE_0_170:

include/drm/drm_dp_helper.h

@@ -292,7 +292,7 @@
 #define DP_DSC_PEAK_THROUGHPUT              0x06B
 # define DP_DSC_THROUGHPUT_MODE_0_MASK      (0xf << 0)
 # define DP_DSC_THROUGHPUT_MODE_0_SHIFT     0
-# define DP_DSC_THROUGHPUT_MODE_0_UPSUPPORTED 0
+# define DP_DSC_THROUGHPUT_MODE_0_UNSUPPORTED 0
 # define DP_DSC_THROUGHPUT_MODE_0_340       (1 << 0)
 # define DP_DSC_THROUGHPUT_MODE_0_400       (2 << 0)
 # define DP_DSC_THROUGHPUT_MODE_0_450       (3 << 0)
@@ -310,7 +310,7 @@
 # define DP_DSC_THROUGHPUT_MODE_0_170       (15 << 0) /* 1.4a */
 # define DP_DSC_THROUGHPUT_MODE_1_MASK      (0xf << 4)
 # define DP_DSC_THROUGHPUT_MODE_1_SHIFT     4
-# define DP_DSC_THROUGHPUT_MODE_1_UPSUPPORTED 0
+# define DP_DSC_THROUGHPUT_MODE_1_UNSUPPORTED 0
 # define DP_DSC_THROUGHPUT_MODE_1_340       (1 << 4)
 # define DP_DSC_THROUGHPUT_MODE_1_400       (2 << 4)
 # define DP_DSC_THROUGHPUT_MODE_1_450       (3 << 4)