cosmetic: rockchip: rk3288: rename rkclk_configure_cpu

The function is very specific to the rk3288 in its arguments
referencing the rk3288 cru and grf and every other rockchip soc
has differing cru and grf registers. So make that function naming
explicit.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/clk/clk_rk3288.c b/drivers/clk/clk_rk3288.c
index 679f010..dece4bc 100644
--- a/drivers/clk/clk_rk3288.c
+++ b/drivers/clk/clk_rk3288.c
@@ -447,7 +447,7 @@
 }
 #endif
 
-void rkclk_configure_cpu(struct rk3288_cru *cru, struct rk3288_grf *grf)
+void rk3288_clk_configure_cpu(struct rk3288_cru *cru, struct rk3288_grf *grf)
 {
 	/* pll enter slow-mode */
 	rk_clrsetreg(&cru->cru_mode_con,