board/keymile/km82xx: setting dip_switch 3 and 4 will run bootloader

Setting dip_switch 3 and 4 also will run bootloader in COGE3 and COGE6
It is required remove local mgmt IP address, when DIP Switch PIN3 is
enabled. DIP Switch 4 also enabled to avoid u-boot update in future
for DIP switch enhancements.

Signed-off-by: Bagavathiannan Palanisamy <Bagavathiannan.Palanisamy@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>

board/keymile/km82xx/km82xx.c

@@ -329,8 +329,8 @@ int last_stage_init(void)
 
 	dip_switch = in_8(&base->mswitch);
 	dip_switch &= BFTICU_DIPSWITCH_MASK;
-	/* dip switch 'full reset' or 'db erase' */
-	if (dip_switch & 0x1 || dip_switch & 0x2) {
+	/* dip switch 'full reset' or 'db erase' or 'Local mgmt IP' or any */
+	if (dip_switch != 0) {
 		/* start bootloader */
 		puts("DIP:   Enabled\n");
 		setenv("actual_bank", "0");