Update Linux to v5.4.148

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz

Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index e083bca..3643b4f 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -15,6 +15,8 @@
 	exit 0
 fi
 
+# legacy behavior: "depmod" in /sbin, no /sbin in PATH
+PATH="$PATH:/sbin"
 if [ -z $(command -v $DEPMOD) ]; then
 	echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
 	echo "This is probably in the kmod package." >&2