amdgpu: Don't print error message if parse_one_line returned -EAGAIN

It means it just didn't find an entry for the GPU in the amdgpu.ids file.

Fixes spurious

 amdgpu_parse_asic_ids: Cannot parse ASIC IDs: Resource temporarily unavailable

error messages in that case.

Reported-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
diff --git a/amdgpu/amdgpu_asic_id.c b/amdgpu/amdgpu_asic_id.c
index 0c8925e..62459c0 100644
--- a/amdgpu/amdgpu_asic_id.c
+++ b/amdgpu/amdgpu_asic_id.c
@@ -155,7 +155,7 @@
 	if (r == -EINVAL) {
 		fprintf(stderr, "Invalid format: %s: line %d: %s\n",
 			AMDGPU_ASIC_ID_TABLE, line_num, line);
-	} else if (r) {
+	} else if (r && r != -EAGAIN) {
 		fprintf(stderr, "%s: Cannot parse ASIC IDs: %s\n",
 			__func__, strerror(-r));
 	}