fm10k: simplify reading PFVFLRE register

We're doing a really convoluted bitshift and read for the PFVFLRE
register. Just reading the PFVFLRE(1), shifting it by 32, then reading
PFVFLRE(0) should be sufficient.
Signed-off-by: NJacob Keller <jacob.e.keller@intel.com>
Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/fm10k/fm10k_iov.c

 /* Intel(R) Ethernet Switch Host Interface Driver
- * Copyright(c) 2013 - 2016 Intel Corporation.
+ * Copyright(c) 2013 - 2017 Intel Corporation.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -67,10 +67,8 @@ s32 fm10k_iov_event(struct fm10k_intfc *interface)
 
 	/* read VFLRE to determine if any VFs have been reset */
 	do {
-		vflre = fm10k_read_reg(hw, FM10K_PFVFLRE(0));
+		vflre = fm10k_read_reg(hw, FM10K_PFVFLRE(1));
 		vflre <<= 32;
-		vflre |= fm10k_read_reg(hw, FM10K_PFVFLRE(1));
-		vflre = (vflre << 32) | (vflre >> 32);
 		vflre |= fm10k_read_reg(hw, FM10K_PFVFLRE(0));
 
 		i = iov_data->num_vfs;