drm/amd: make amdgpu_ucode_validate static

No consumers outside of amdgpu_ucode.c use amdgpu_ucode_validate
anymore, so make the function static.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -504,7 +504,7 @@ void amdgpu_ucode_print_gpu_info_hdr(const struct common_firmware_header *hdr)
 	}
 }
 
-int amdgpu_ucode_validate(const struct firmware *fw)
+static int amdgpu_ucode_validate(const struct firmware *fw)
 {
 	const struct common_firmware_header *hdr =
 		(const struct common_firmware_header *)fw->data;

drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h

@@ -543,7 +543,6 @@ void amdgpu_ucode_print_rlc_hdr(const struct common_firmware_header *hdr);
 void amdgpu_ucode_print_sdma_hdr(const struct common_firmware_header *hdr);
 void amdgpu_ucode_print_psp_hdr(const struct common_firmware_header *hdr);
 void amdgpu_ucode_print_gpu_info_hdr(const struct common_firmware_header *hdr);
-int amdgpu_ucode_validate(const struct firmware *fw);
 int amdgpu_ucode_request(struct amdgpu_device *adev, const struct firmware **fw,
 			 const char *fw_name);
 void amdgpu_ucode_release(const struct firmware **fw);