build: remove old kernel-headers build directories
authorFelix Fietkau <nbd@nbd.name>
Fri, 16 Jun 2017 13:15:37 +0000 (15:15 +0200)
committerJo-Philipp Wich <jo@mein.io>
Wed, 13 Dec 2017 15:00:27 +0000 (16:00 +0100)
commit7f3f2bc03b642952e69f650188952c8bf893c932
tree53325c80c7e199d99b56aadd7ca15e53789adc13
parentc7234e3036f5c660c0ddb56328d85aa079317210
build: remove old kernel-headers build directories

Saves space after updating kernel versions

Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 76b62e602233d1a2e1f8ef1c0833bd22ebaaf832)
toolchain/kernel-headers/Makefile