Add better uname replacement.

Supports faking kernel release and supports ARM.

src/scripts/uname

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+uname=
+for i in /bin/uname.bak /tools/bin/uname.bak; do
+	if [ -x "$i" ]; then
+		uname=${i}
+		break
+	fi
+done
+
+if [ -z "${uname}" ]; then
+	exit 127
+fi
+
+machine=$(${uname} -m)
+kernel=$(${uname} -r)
+output=$(${uname} $@)
+
+# Overwrite kernel version to hack kernel 3.x versions.
+output=$(sed -e "s/${kernel}/${KVER}/g" <<<${output})
+
+case "${machine}" in
+	arm*)
+		echo "${output}" | \
+			sed -e "s/armv.tej?l?/${MACHINE}/g"
+		;;
+
+	i?86)
+		echo "${output}" | \
+			sed -e "s/i.86/${MACHINE}/g"
+		;;
+esac