Package up the Microchip MCP23S08 I/O expander driver. Needed on the
CalAmp LMU5000 board.
Signed-off-by: Adam Porter <porter.adam@gmail.com>
[jogo@openwrt.org: fix subject]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36393 3c298f89-4303-0410-b956-a3cf2f4a3e73