s32: drivers: s32ze: remove suffix on number of ADC instances

Remove 'u' suffix from macros so that they can be used
with LISTIFY.

Signed-off-by: Ha Duong Quang <ha.duongquang@nxp.com>

Author: haduongquang

s32/drivers/s32ze/BaseNXP/header/S32Z2_ADC.h

@@ -156,7 +156,7 @@ typedef struct {
 } ADC_Type, *ADC_MemMapPtr;
 
 /** Number of instances of the ADC module. */
-#define ADC_INSTANCE_COUNT                       (2u)
+#define ADC_INSTANCE_COUNT                       (2)
 
 /* ADC - Peripheral instance base addresses */
 /** Peripheral ADC_0 base address */