drm/amd/display: remove unneeded semicolon

A semicolon is not needed after a switch statement.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c

@@ -858,7 +858,7 @@ static struct clock_source *find_matching_pll(
 		return pool->clock_sources[DCE112_CLK_SRC_PLL5];
 	default:
 		return NULL;
-	};
+	}
 
 	return 0;
 }

drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c

@@ -280,6 +280,6 @@ char *mod_hdcp_state_id_to_str(int32_t id)
 		return "D2_A9_VALIDATE_STREAM_READY";
 	default:
 		return "UNKNOWN_STATE_ID";
-	};
+	}
 }