accel/ivpu: Improve clarity of MMU error messages

This patch improves readability and clarity of MMU error messages.
Previously, the error strings were somewhat confusing and could lead to
ambiguous interpretations, making it difficult to diagnose issues.
Signed-off-by: Wachowski, Karol <karol.wachowski@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-6-jacek.lawrynowicz@linux.intel.com

drivers/accel/ivpu/ivpu_mmu.c

@@ -278,7 +278,7 @@ static const char *ivpu_mmu_event_to_str(u32 cmd)
 	case IVPU_MMU_EVT_F_VMS_FETCH:
 		return "Fetch of VMS caused external abort";
 	default:
-		return "Unknown CMDQ command";
+		return "Unknown event";
 	}
 }
 
@@ -286,15 +286,15 @@ static const char *ivpu_mmu_cmdq_err_to_str(u32 err)
 {
 	switch (err) {
 	case IVPU_MMU_CERROR_NONE:
-		return "No CMDQ Error";
+		return "No error";
 	case IVPU_MMU_CERROR_ILL:
 		return "Illegal command";
 	case IVPU_MMU_CERROR_ABT:
-		return "External abort on CMDQ read";
+		return "External abort on command queue read";
 	case IVPU_MMU_CERROR_ATC_INV_SYNC:
 		return "Sync failed to complete ATS invalidation";
 	default:
-		return "Unknown CMDQ Error";
+		return "Unknown error";
 	}
 }