When using custom Linux kernel headers, allow using a tarball.

/trunk/scripts/build/kernel/linux.sh | 19 16 3 0 ++++++++++++++++---
/trunk/config/kernel/linux.in | 35 26 9 0 ++++++++++++++++++++++++++---------
2 files changed, 42 insertions(+), 12 deletions(-)

 #!/bin/sh

 SKIP_ME="### CT_NG SKIP ME ###"

 skip_me=$(($(cat "${0}" |@@grep@@ --binary-files=text -o -b -E "^${SKIP_ME}$" |cut -d : -f 1)+${#SKIP_ME}+1))

 dd if="${0}" bs=${skip_me} skip=1 2>/dev/null |bzcat

 exit 0

 ### CT_NG SKIP ME ###