rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/MAI/AmigaOneG3SE/interrupts.c b/board/MAI/AmigaOneG3SE/interrupts.c
index 86b4415..de46d6e 100644
--- a/board/MAI/AmigaOneG3SE/interrupts.c
+++ b/board/MAI/AmigaOneG3SE/interrupts.c
@@ -119,12 +119,12 @@
 #ifdef DEBUG
 	puts("interrupt_init: setting decrementer_count\n");
 #endif
-	decrementer_count = get_tbclk() / CFG_HZ;
+	decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
 
 #ifdef DEBUG
 	puts("interrupt_init: setting actual decremter\n");
 #endif
-	set_dec (get_tbclk() / CFG_HZ);
+	set_dec (get_tbclk() / CONFIG_SYS_HZ);
 
 #ifdef DEBUG
 	puts("interrupt_init: clearing external interrupt table\n");