kmp204x: prepare to use CPU watchdog

This patch configures the qrio to trigger a core reset on
a CPU reset request.

Signed-off-by: Rainer Boschung <rainer.boschung@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Reviewed-by: York Sun <yorksun@freescale.com>

board/keymile/kmp204x/kmp204x.c

@@ -88,6 +88,9 @@ int board_early_init_f(void)
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	bool cpuwd_flag = false;
 
+	/* configure mode for uP reset request */
+	qrio_uprstreq(UPREQ_CORE_RST);
+
 	/* board only uses the DDR_MCK0, so disable the DDR_MCK1/2/3 */
 	setbits_be32(&gur->ddrclkdr, 0x001f000f);