fsl-layerscape: Add RESV_RAM check in resv_ram addr

The initialization of gd->arch.resv_ram pointer should depend on if the
RESV_RAM config is enabled.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Wasim Khan <wasim.khan@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index b443894..1b7729c 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -1379,7 +1379,7 @@
 	if (i > 0)
 		ret = 0;
 
-#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_RESV_RAM) && !defined(CONFIG_SPL_BUILD)
 	/* Assign memory for MC */
 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
 	if (gd->bd->bi_dram[2].size >=
@@ -1402,7 +1402,7 @@
 				board_reserve_ram_top(gd->bd->bi_dram[0].size);
 		}
 	}
-#endif	/* CONFIG_FSL_MC_ENET */
+#endif	/* CONFIG_RESV_RAM */
 
 	return ret;
 }
@@ -1465,7 +1465,7 @@
 	}
 #endif	/* CONFIG_SYS_MEM_RESERVE_SECURE */
 
-#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_RESV_RAM) && !defined(CONFIG_SPL_BUILD)
 	/* Assign memory for MC */
 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
 	if (gd->bd->bi_dram[2].size >=
@@ -1488,7 +1488,7 @@
 				board_reserve_ram_top(gd->bd->bi_dram[0].size);
 		}
 	}
-#endif	/* CONFIG_FSL_MC_ENET */
+#endif	/* CONFIG_RESV_RAM */
 
 #ifdef CONFIG_SYS_DP_DDR_BASE_PHY
 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE