kernel: kmod-e1000e depends on pip for 3.8+

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@37418 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: kmod-pcmcia-serial requires kmod-serial-8250

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@37419 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: kmod-gpio-mcp23s08 depends on i2c-core

But only if it is selected, so make it a conditionl dependency.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@37420 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: video-core depends on i2c-core if i2c-core is selected

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@37421 3c298f89-4303-0410-b956-a3cf2f4a3e73