IB/hfi1: Remove no-op QSFP reset code

The RESET_N bit of the ASIC_QSFPn_OE register is not used by
the hardware.  Remove code that tries to use it - it does
nothing.
Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/staging/rdma/hfi1/chip.c

@@ -9212,9 +9212,6 @@ void reset_qsfp(struct hfi1_pportdata *ppd)
 
 	/* Reset the QSFP */
 	mask = (u64)QSFP_HFI0_RESET_N;
-	qsfp_mask = read_csr(dd, dd->hfi1_id ? ASIC_QSFP2_OE : ASIC_QSFP1_OE);
-	qsfp_mask |= mask;
-	write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_OE : ASIC_QSFP1_OE, qsfp_mask);
 
 	qsfp_mask = read_csr(dd,
 			     dd->hfi1_id ? ASIC_QSFP2_OUT : ASIC_QSFP1_OUT);