armv8: fsl-layerscape: Increase mmc read size for secure-boot headers

Maximum size of secure boot header to be read from MMC is
12KB which spans across 0x20 blocks.

Hence increase the mmc read size for secure boot
headers from MMC to 0x20 blocks.

Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/include/configs/ls2080ardb.h b/include/configs/ls2080ardb.h
index b251c79..de14fb4 100644
--- a/include/configs/ls2080ardb.h
+++ b/include/configs/ls2080ardb.h
@@ -330,8 +330,8 @@
 	"mmcinfo;mmc read 0x80a00000 0x5000 0x1200;" \
 	"mmc read 0x80e00000 0x7000 0x800;"	\
 	"env exists secureboot && "		\
-	"mmc read 0x80700000 0x3800 0x10 && "	\
-	"mmc read 0x80740000 0x3A00 0x10 && "	\
+	"mmc read 0x80700000 0x3800 0x20 && "	\
+	"mmc read 0x80740000 0x3A00 0x20 && "	\
 	"esbc_validate 0x80700000 && "		\
 	"esbc_validate 0x80740000 ;"		\
 	"fsl_mc start mc 0x80a00000 0x80e00000\0"
@@ -352,8 +352,8 @@
 	"mcinitcmd=mmcinfo;mmc read 0x80000000 0x5000 0x800;" \
 	"mmc read 0x80100000 0x7000 0x800;"	\
 	"env exists secureboot && "		\
-	"mmc read 0x80700000 0x3800 0x10 && "	\
-	"mmc read 0x80740000 0x3A00 0x10 && "	\
+	"mmc read 0x80700000 0x3800 0x20 && "	\
+	"mmc read 0x80740000 0x3A00 0x20 && "	\
 	"esbc_validate 0x80700000 && "		\
 	"esbc_validate 0x80740000 ;"		\
 	"fsl_mc start mc 0x80000000 0x80100000\0" \