sun4i: Stop setting up the non-existing mbus register

sun4i does not have a mbus ccmu register.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
sun5i: Drop unused AHB_CLK_SRC_AXI define

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
sunxi-mmc: Drop unused CONFIG_MMC1_PG code

And while at it make the comment for the mmc3 gpio mux the same as for the
other mmc controllers.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
sunxi-mmc: Dump debugging code

This syncs us with what is going upstream.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
sunxi: Makefile: Drop extra whitespace at end of file

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Revert "get_ram_size incorrectly returns long, should be unsigned long"

This reverts commit 7d8bc87e7e9b444a47715428df5c9a9792c92fd4.

This change has not been accepted upstream and 2G boards work fine without it,
so lets drop it.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>