drm/amdgpu/psp: dont warn on missing optional TA's

Replace dev_warn() with dev_info() and note that they are
optional to avoid confusing users.

The RAS TAs only exist on server boards and the HDCP and DTM
TAs only exist on client boards.  They are optional either way.
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -822,7 +822,7 @@ static int psp_ras_initialize(struct psp_context *psp)
 
 	if (!psp->adev->psp.ta_ras_ucode_size ||
 	    !psp->adev->psp.ta_ras_start_addr) {
-		dev_warn(psp->adev->dev, "RAS: ras ta ucode is not available\n");
+		dev_info(psp->adev->dev, "RAS: optional ras ta ucode is not available\n");
 		return 0;
 	}
 
@@ -907,7 +907,7 @@ static int psp_hdcp_initialize(struct psp_context *psp)
 
 	if (!psp->adev->psp.ta_hdcp_ucode_size ||
 	    !psp->adev->psp.ta_hdcp_start_addr) {
-		dev_warn(psp->adev->dev, "HDCP: hdcp ta ucode is not available\n");
+		dev_info(psp->adev->dev, "HDCP: optional hdcp ta ucode is not available\n");
 		return 0;
 	}
 
@@ -1054,7 +1054,7 @@ static int psp_dtm_initialize(struct psp_context *psp)
 
 	if (!psp->adev->psp.ta_dtm_ucode_size ||
 	    !psp->adev->psp.ta_dtm_start_addr) {
-		dev_warn(psp->adev->dev, "DTM: dtm ta ucode is not available\n");
+		dev_info(psp->adev->dev, "DTM: optional dtm ta ucode is not available\n");
 		return 0;
 	}