ice: Do not unnecessarily initialize local variable

The local variable speed does not need to be initialized and can cause some
static analysis tools to complain the initial assigned value is never used.
Signed-off-by: NBruce Allan <bruce.w.allan@intel.com>
Signed-off-by: NAnirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: NAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ice/ice_common.c

@@ -1880,10 +1880,10 @@ void
 ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
 		    u16 link_speeds_bitmap)
 {
-	u16 speed = ICE_AQ_LINK_SPEED_UNKNOWN;
 	u64 pt_high;
 	u64 pt_low;
 	int index;
+	u16 speed;
 
 	/* We first check with low part of phy_type */
 	for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) {