sky2: remove unneeded mask update

The IRQ's is already masked on shutdown, and on startup avoid
touching PHY until after phy_init().
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/sky2.c

@@ -288,8 +288,6 @@ static void sky2_gmac_reset(struct sky2_hw *hw, unsigned port)
 
 	/* disable all GMAC IRQ's */
 	sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), 0);
-	/* disable PHY IRQs */
-	gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0);
 
 	gma_write16(hw, port, GM_MC_ADDR_H1, 0);	/* clear MC hash */
 	gma_write16(hw, port, GM_MC_ADDR_H2, 0);