powerpc/pseries: Remove syslog prefix in uncompressed oops text

Removal of syslog prefix in the uncompressed oops text will
help in capturing more oops data.
Signed-off-by: NAruna Balakrishnaiah <aruna@linux.vnet.ibm.com>
Reviewed-by: NJim Keniston <jkenisto@us.ibm.com>
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/platforms/pseries/nvram.c

@@ -619,7 +619,7 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
 	}
 	if (rc != 0) {
 		kmsg_dump_rewind(dumper);
-		kmsg_dump_get_buffer(dumper, true,
+		kmsg_dump_get_buffer(dumper, false,
 				     oops_data, oops_data_sz, &text_len);
 		err_type = ERR_TYPE_KERNEL_PANIC;
 		*oops_len = (u16) text_len;