board/versal: clean shellcheck issues

This patch cleans up the shellcheck issues in the versal post scripts.

Signed-off-by: Neal Frager <neal.frager@amd.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 2b738044edbed64e313a2b4f275a70e02e5bc143)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

board/versal/post-build.sh

@@ -3,9 +3,8 @@
 # genimage will need to find the extlinux.conf
 # in the binaries directory
 
-BOARD_DIR="$(dirname $0)"
-CONSOLE=$2
-ROOT=$3
+CONSOLE="$2"
+ROOT="$3"
 
 mkdir -p "${BINARIES_DIR}"
 cat <<-__HEADER_EOF > "${BINARIES_DIR}/extlinux.conf"

board/versal/post-image.sh

@@ -6,12 +6,12 @@
 
 FIRST_DT=$(sed -nr \
                -e 's|^BR2_LINUX_KERNEL_INTREE_DTS_NAME="(xilinx/)?([-_/[:alnum:]\\.]*).*"$|\2|p' \
-               ${BR2_CONFIG})
+               "${BR2_CONFIG}")
 
-[ -z "${FIRST_DT}" ] || ln -fs ${FIRST_DT}.dtb ${BINARIES_DIR}/system.dtb
+[ -z "${FIRST_DT}" ] || ln -fs "${FIRST_DT}.dtb" "${BINARIES_DIR}/system.dtb"
 
-BOARD_DIR="$(dirname $0)"
-BOARD_NAME=$4
+BOARD_DIR="$(dirname "$0")"
+BOARD_NAME="$4"
 
 mkdir -p "${BINARIES_DIR}"
 cat <<-__HEADER_EOF > "${BINARIES_DIR}/bootgen.bif"
@@ -23,7 +23,7 @@ cat <<-__HEADER_EOF > "${BINARIES_DIR}/bootgen.bif"
 	    { core=psm, file=${BINARIES_DIR}/${BOARD_NAME}_psmfw.elf }
 	  }
 	  image {
-	    id = 0x1c000000, name=apu_subsystem 
+	    id = 0x1c000000, name=apu_subsystem
 	    { type=raw, load=0x00001000, file=${BINARIES_DIR}/u-boot.dtb }
 	    { core=a72-0, exception_level=el-3, trustzone, file=${BINARIES_DIR}/bl31.elf }
 	    { core=a72-0, exception_level=el-2, file=${BINARIES_DIR}/u-boot.elf }
@@ -31,5 +31,5 @@ cat <<-__HEADER_EOF > "${BINARIES_DIR}/bootgen.bif"
 	}
 	__HEADER_EOF
 
-${HOST_DIR}/bin/bootgen -arch versal -image ${BINARIES_DIR}/bootgen.bif -o ${BINARIES_DIR}/boot.bin -w on
-support/scripts/genimage.sh -c ${BOARD_DIR}/genimage.cfg
+"${HOST_DIR}/bin/bootgen" -arch versal -image "${BINARIES_DIR}/bootgen.bif" -o "${BINARIES_DIR}/boot.bin" -w on
+support/scripts/genimage.sh -c "${BOARD_DIR}/genimage.cfg"