atm: idt77252: remove redundant bit-wise or'ing of zero

Zero is being bit-wise or'd in a calculation twice; these are redundant
and can be removed.

Signed-off-by: Colin Ian King <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/atm/idt77252.c

···
 				    (u32) 0xffffffff);
 	}
 
-	writel((SAR_FBQ0_LOW << 28) | 0x00000000 | 0x00000000 |
-	       (SAR_FB_SIZE_0 / 48), SAR_REG_FBQS0);
-	writel((SAR_FBQ1_LOW << 28) | 0x00000000 | 0x00000000 |
-	       (SAR_FB_SIZE_1 / 48), SAR_REG_FBQS1);
-	writel((SAR_FBQ2_LOW << 28) | 0x00000000 | 0x00000000 |
-	       (SAR_FB_SIZE_2 / 48), SAR_REG_FBQS2);
-	writel((SAR_FBQ3_LOW << 28) | 0x00000000 | 0x00000000 |
-	       (SAR_FB_SIZE_3 / 48), SAR_REG_FBQS3);
+	writel((SAR_FBQ0_LOW << 28) | (SAR_FB_SIZE_0 / 48), SAR_REG_FBQS0);
+	writel((SAR_FBQ1_LOW << 28) | (SAR_FB_SIZE_1 / 48), SAR_REG_FBQS1);
+	writel((SAR_FBQ2_LOW << 28) | (SAR_FB_SIZE_2 / 48), SAR_REG_FBQS2);
+	writel((SAR_FBQ3_LOW << 28) | (SAR_FB_SIZE_3 / 48), SAR_REG_FBQS3);
 
 	/* Initialize rate table  */
 	for (i = 0; i < 256; i++) {