misc: xilinx-sdfec: Correct write to protect regs

The function xsdfec_wr_protect incorrectly skips writing to the
CODE_WR_PROTECT and AXI_WR_PROTECT registers when the input argument wr_pr
is false.

Signed-off-by: Derek Kiernan <derek.kiernan@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

drivers/misc/xilinx_sdfec.c

@@ -171,15 +171,18 @@ xsdfec_wr_protect(struct xsdfec_dev *xsdfec, bool wr_pr)
 		xsdfec_regwrite(xsdfec,
 				XSDFEC_AXI_WR_PROTECT_ADDR,
 				XSDFEC_WRITE_PROTECT_ENABLE);
+		/* prevents register and tables writes */
+		xsdfec->wr_protect = wr_pr;
 	} else {
+		/* allows register and table writes including protection regs */
+		xsdfec->wr_protect = wr_pr;
 		xsdfec_regwrite(xsdfec,
 				XSDFEC_AXI_WR_PROTECT_ADDR,
 				XSDFEC_WRITE_PROTECT_DISABLE);
 		xsdfec_regwrite(xsdfec,
 				XSDFEC_CODE_WR_PROTECT_ADDR,
 				XSDFEC_WRITE_PROTECT_DISABLE);
 	}
-	xsdfec->wr_protect = wr_pr;
 }
 
 static int