Fixes in GPIOs, I2C and DMA.
And since the RPi git tree fork has a non-upstream driver
for rtl8192c WiFi USB stick, there's a fix for that, too.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>