igc: Fix TDBAL register show incorrect value

Fixed a typo which caused the registers dump function to read the
RDBAL register when printing TDBAL register values.
_reg_dump method has been partially derived from i210 and have
same typo.

Suggested-by: Gal Hammer <[email protected]>
Signed-off-by: Sasha Neftin <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>

Author: aneftin

drivers/net/ethernet/intel/igc/igc_dump.c

@@ -75,7 +75,7 @@ static void igc_regdump(struct igc_hw *hw, struct igc_reg_info *reginfo)
 		break;
 	case IGC_TDBAL(0):
 		for (n = 0; n < 4; n++)
-			regs[n] = rd32(IGC_RDBAL(n));
+			regs[n] = rd32(IGC_TDBAL(n));
 		break;
 	case IGC_TDBAH(0):
 		for (n = 0; n < 4; n++)