reset: npcm: fix iprst2 and iprst4 setting

In NPCM8XX USB reset sequence, iprst2 register was set with iprst4 value
and iprst4 register wasn´t set.

This fix sets the correct IP reset values in iprst2 and iprst4 registers
in NPCM8XX USB reset sequence.

Fixes: fc5d2a2f ("reset: npcm: Add NPCM8XX support")
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20220922153856.23326-1-tmaimon77@gmail.com

drivers/reset/reset-npcm.c

@@ -291,7 +291,7 @@ static void npcm_usb_reset_npcm8xx(struct npcm_rc_data *rc)
 	iprst2 |= ipsrst2_bits;
 	iprst3 |= (ipsrst3_bits | NPCM_IPSRST3_USBPHY1 |
 		   NPCM_IPSRST3_USBPHY2);
-	iprst2 |= ipsrst4_bits;
+	iprst4 |= ipsrst4_bits;
 
 	writel(iprst1, rc->base + NPCM_IPSRST1);
 	writel(iprst2, rc->base + NPCM_IPSRST2);