ARM64: zynqmp: Differentiate EMMC boot mode

Show also EMMC bootmode if selected. There is difference compare to SD
bootmode. Use the same bootcommand till better boot command is created.

Reported-by: Sai Pavan Boddu <saipava@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index 9c176d0..a1d3fef 100644
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -93,8 +93,11 @@
 		setenv("modeboot", "qspiboot");
 		puts("QSPI_MODE\n");
 		break;
-	case SD_MODE:
 	case EMMC_MODE:
+		puts("EMMC_MODE\n");
+		setenv("modeboot", "sdboot");
+		break;
+	case SD_MODE:
 		puts("SD_MODE\n");
 		setenv("modeboot", "sdboot");
 		break;