Fix ICC build error by removing the EWARN third parameter.
Build error:
.../drivers/net/ixgbe/base/ixgbe_phy.c(1543):
error #268: the format string ends before this argument
EWARN(hw, "WARNING: Intel (R) Network "
^
.../drivers/net/ixgbe/base/ixgbe_phy.c(1805):
error #268: the format string ends before this argument
EWARN(hw, "WARNING: Intel (R) Network "
^
Fixes: aa4fc14d2c ("ixgbe: update base driver")
Fixes: b94a06c1b4 ("ixgbe/base: support qsfp and lco")
Cc: stable@dpdk.org
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>