drivers: net: fsl-mc: add a command which dumps the MC log

Extended fsl_mc command adding an extra option dump_log

Signed-off-by: Cosmin-Florin Aluchenesei <aluchenesei.cosmin-florin@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

include/fsl-mc/fsl_mc.h

@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2014 Freescale Semiconductor
+ * Copyright 2021 NXP
  */
 
 #ifndef __FSL_MC_H__
@@ -52,6 +53,14 @@ struct mc_ccsr_registers {
 	u32 reg_error[];
 };
 
+struct log_header {
+	u32 magic_word;
+	char reserved[4];
+	u32 buf_start;
+	u32 buf_length;
+	u32 last_byte;
+};
+
 void fdt_fsl_mc_fixup_iommu_map_entry(void *blob);
 int get_mc_boot_status(void);
 int get_dpl_apply_status(void);