Fix initramfs installation

Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>

Author: saiarcot895

build_debian.sh

@@ -162,9 +162,8 @@ sudo LANG=C chroot $FILESYSTEM_ROOT apt-get -y install busybox linux-base
 echo '[INFO] Install SONiC linux kernel image'
 ## Note: duplicate apt-get command to ensure every line return zero
 sudo cp $debs_path/initramfs-tools-core_*.deb $debs_path/initramfs-tools_*.deb $debs_path/linux-image-${LINUX_KERNEL_VERSION}-*_${CONFIGURED_ARCH}.deb $FILESYSTEM_ROOT
-basename_deb_packages=$(basename -a $debs_path/initramfs-tools-core_*.deb $debs_path/initramfs-tools_*.deb $debs_path/linux-image-${LINUX_KERNEL_VERSION}-*_${CONFIGURED_ARCH}.deb)
-sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT dpkg -i $basename_deb_packages || \
-    sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install -f
+basename_deb_packages=$(basename -a $debs_path/initramfs-tools-core_*.deb $debs_path/initramfs-tools_*.deb $debs_path/linux-image-${LINUX_KERNEL_VERSION}-*_${CONFIGURED_ARCH}.deb | sed 's,^,./,')
+sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt -y install $basename_deb_packages
 ( cd $FILESYSTEM_ROOT; sudo rm -f $basename_deb_packages )
 sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install acl
 if [[ $CONFIGURED_ARCH == amd64 ]]; then