soc/sifive: Comment out set but unused variables

The code is supposed to output debug messages but is commented out, so
do the same for variables.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: Ief1f9d2175fe1375fe6ac4bb0765b00513321fa6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75356
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
diff --git a/src/soc/sifive/fu540/ux00ddr.h b/src/soc/sifive/fu540/ux00ddr.h
index bf856f3..d468a8e 100644
--- a/src/soc/sifive/fu540/ux00ddr.h
+++ b/src/soc/sifive/fu540/ux00ddr.h
@@ -148,9 +148,9 @@
 
   size_t ddrphyreg = ahbregaddr + 0x2000;
 
-  uint64_t fails=0;
+  // uint64_t fails=0;
   uint32_t slicebase = 0;
-  uint32_t dq = 0;
+  // uint32_t dq = 0;
 
   // check errata condition
   for (uint32_t slice = 0; slice < 8; slice++) {
@@ -175,7 +175,7 @@
         // print error message on failure
         if (failc0 || failc1) {
           //if (fails==0) uart_puts((void*) UART0_CTRL_ADDR, "DDR error in fixing up \n");
-          fails |= (1<<dq);
+          //fails |= (1<<dq);
           /* char slicelsc = '0'; */
           /* char slicemsc = '0'; */
           /* slicelsc += (dq % 10); */
@@ -187,7 +187,7 @@
           //else uart_puts((void*) UART0_CTRL_ADDR, "D");
           //uart_puts((void*) UART0_CTRL_ADDR, "\n");
         }
-        dq++;
+        //dq++;
       }
     }
     slicebase+=128;