sun4i: Rename dram_clk_cfg to dram_clk_gate

The data sheet just calls it DRAM_CLK_REG, and on sun6i we've both a
dram_clk_cfg and dram_clk_gate, and the sun4i reg matches dram_clk_gate on
sun6i, so name it the same on sun4i.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Acked-by: NIan Campbell <ijc@hellion.org.uk>

arch/arm/cpu/armv7/sunxi/dram_sun4i.c

@@ -428,9 +428,9 @@ static void dramc_clock_output_en(u32 on)
 #ifdef CONFIG_MACH_SUN4I
 	struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
 	if (on)
-		setbits_le32(&ccm->dram_clk_cfg, CCM_DRAM_CTRL_DCLK_OUT);
+		setbits_le32(&ccm->dram_clk_gate, CCM_DRAM_CTRL_DCLK_OUT);
 	else
-		clrbits_le32(&ccm->dram_clk_cfg, CCM_DRAM_CTRL_DCLK_OUT);
+		clrbits_le32(&ccm->dram_clk_gate, CCM_DRAM_CTRL_DCLK_OUT);
 #endif
 }
 

arch/arm/include/asm/arch-sunxi/clock_sun4i.h

@@ -62,7 +62,7 @@ struct sunxi_ccm_reg {
 	u32 gps_clk_cfg;	/* 0xd0 */
 	u32 spi3_clk_cfg;	/* 0xd4 */
 	u8 res5[0x28];
-	u32 dram_clk_cfg;	/* 0x100 */
+	u32 dram_clk_gate;	/* 0x100 */
 	u32 be0_clk_cfg;	/* 0x104 */
 	u32 be1_clk_cfg;	/* 0x108 */
 	u32 fe0_clk_cfg;	/* 0x10c */