kernel: allow hwmon GSC driver for all targets

- enable using hwmon GSC driver on all targets
- add a kmod package for it

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

git-svn-id: svn://svn.openwrt.org/openwrt@37933 3c298f89-4303-0410-b956-a3cf2f4a3e73
imx6: add gpio sysfs support

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

git-svn-id: svn://svn.openwrt.org/openwrt@37934 3c298f89-4303-0410-b956-a3cf2f4a3e73
imx6: add i2c retry on NAK

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

git-svn-id: svn://svn.openwrt.org/openwrt@37935 3c298f89-4303-0410-b956-a3cf2f4a3e73
imx6: backport ahci support

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Luka Perkov <luka@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@37936 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: add imx sata module

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

git-svn-id: svn://svn.openwrt.org/openwrt@37937 3c298f89-4303-0410-b956-a3cf2f4a3e73