global: Migrate CONFIG_SAR2_REG to CFG

Perform a simple rename of CONFIG_SAR2_REG to CFG_SAR2_REG

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c
index 67ad5e5..9139df1 100644
--- a/arch/arm/mach-mvebu/cpu.c
+++ b/arch/arm/mach-mvebu/cpu.c
@@ -195,7 +195,7 @@
 	int i;
 
 #if defined(CONFIG_ARMADA_375) || defined(CONFIG_ARMADA_MSYS)
-	val = readl(CONFIG_SAR2_REG);	/* SAR - Sample At Reset */
+	val = readl(CFG_SAR2_REG);	/* SAR - Sample At Reset */
 #else
 	val = readl(CONFIG_SAR_REG);	/* SAR - Sample At Reset */
 #endif
@@ -205,7 +205,7 @@
 	 * Shift CPU0 clock frequency select bit from SAR2 register
 	 * into correct position
 	 */
-	freq |= ((readl(CONFIG_SAR2_REG) & SAR2_CPU_FREQ_MASK)
+	freq |= ((readl(CFG_SAR2_REG) & SAR2_CPU_FREQ_MASK)
 		 >> SAR2_CPU_FREQ_OFFS) << 3;
 #endif
 	for (i = 0; sar_freq_tab[i].val != 0xff; i++) {