Correct SPL uses of ALLEYCAT_5

This converts 2 usages of this option to the non-SPL form, since there is
no SPL_ALLEYCAT_5 defined in Kconfig

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-mvebu/arm64-common.c b/arch/arm/mach-mvebu/arm64-common.c
index 2c94f89..b9745c3 100644
--- a/arch/arm/mach-mvebu/arm64-common.c
+++ b/arch/arm/mach-mvebu/arm64-common.c
@@ -53,7 +53,7 @@
 		return a8k_dram_init_banksize();
 	else if (CONFIG_IS_ENABLED(ARMADA_3700))
 		return a3700_dram_init_banksize();
-	else if (CONFIG_IS_ENABLED(ALLEYCAT_5))
+	else if (IS_ENABLED(CONFIG_ALLEYCAT_5))
 		return alleycat5_dram_init_banksize();
 	else
 		return fdtdec_setup_memory_banksize();
@@ -70,7 +70,7 @@
 	if (CONFIG_IS_ENABLED(ARMADA_3700))
 		return a3700_dram_init();
 
-	if (CONFIG_IS_ENABLED(ALLEYCAT_5))
+	if (IS_ENABLED(CONFIG_ALLEYCAT_5))
 		return alleycat5_dram_init();
 
 	if (fdtdec_setup_mem_size_base() != 0)