sunxi: Use CONFIG_MACH_SUN?I from Kconfig instead of CONFIG_SUN?I

Mostly automatic with:
    sed -i -e 's/CONFIG_\(SUN[45678]I\)/CONFIG_MACH_\1/g' $(git grep -l CONFIG_SUN[45678]I)
followed by removing the relevant #defines from include/configs/sun?i.h by
hand.

Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c
index 23617b7..d65e798 100644
--- a/drivers/usb/host/ehci-sunxi.c
+++ b/drivers/usb/host/ehci-sunxi.c
@@ -105,7 +105,7 @@
 	usb_phy_write(sunxi_ehci, 0x20, 0x14, 5);
 
 	/* threshold adjustment disconnect */
-#ifdef CONFIG_SUN4I
+#ifdef CONFIG_MACH_SUN4I
 	usb_phy_write(sunxi_ehci, 0x2a, 3, 2);
 #else
 	usb_phy_write(sunxi_ehci, 0x2a, 2, 2);