IPQ40xx: clk: use dev_read_addr()

Lets convert the driver to use dev_read_addr() instead of the devfdt_get_addr().

While we are here, lets also alphabetise the includes.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>