Rename sun4i_g2d --> sunxi_g2d
Enable G2D for ARCH_SUN7I
Change G2D interrupt from hard-coded 46 to SW_INT_IRQNO_MP
Tested with sunxi_g2d_bench
added CONFIG_USB_SW_SUNXI_UDC0
allow axp interrupts events
Pulled sun7i CedarX driver from sunxi-3.3-cb2 branch
Get sun7i cedarx driver to compile on 3.4.43
Disable cache usage in CedarX driver (taken from 3.3.0 fix; 3.4.43 still having problems)