drm/amdgpu: add sdma 6.0.2 firware support

define sdma 6.0.2 firmware.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Flora Cui <flora.cui@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c

@@ -45,6 +45,7 @@
 #include "v11_structs.h"
 
 MODULE_FIRMWARE("amdgpu/sdma_6_0_0.bin");
+MODULE_FIRMWARE("amdgpu/sdma_6_0_2.bin");
 
 #define SDMA1_REG_OFFSET 0x600
 #define SDMA0_HYP_DEC_REG_START 0x5880