board: hisilicon: Remove duplicate newlines

Drop all duplicate newlines. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>

board/hisilicon/hikey/hikey.c

@@ -244,7 +244,6 @@ static int config_sd_carddetect(void)
 	return 0;
 }
 
-
 static void mmc1_init_pll(void)
 {
 	uint32_t data;
@@ -339,7 +338,6 @@ static void mmc0_reset_clk(void)
 	} while (data & PERI_RST0_MMC0);
 }
 
-
 /* PMU SSI is the IP that maps the external PMU hi6553 registers as IO */
 static void hi6220_pmussi_init(void)
 {
@@ -398,7 +396,6 @@ static int init_dwmmc(void)
 	if (ret)
 		printf("%s: Error adding eMMC port (%d)\n", __func__, ret);
 
-
 	/* take mmc1 (sd slot) out of reset, configure clocks and pinmuxing */
 	mmc1_init_pll();
 	mmc1_reset_clk();