soc/sifive/ux00ddr.h: Remove set but unused variables

It looks like this code was not finished so it's left commented out
for now.

Change-Id: I442a42e297f2968dd2c824a93a9a1e2bc74ea2f4
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63074
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/sifive/fu540/ux00ddr.h b/src/soc/sifive/fu540/ux00ddr.h
index cc67508..bf856f3 100644
--- a/src/soc/sifive/fu540/ux00ddr.h
+++ b/src/soc/sifive/fu540/ux00ddr.h
@@ -176,10 +176,10 @@
         if (failc0 || failc1) {
           //if (fails==0) uart_puts((void*) UART0_CTRL_ADDR, "DDR error in fixing up \n");
           fails |= (1<<dq);
-          char slicelsc = '0';
-          char slicemsc = '0';
-          slicelsc += (dq % 10);
-          slicemsc += (dq / 10);
+          /* char slicelsc = '0'; */
+          /* char slicemsc = '0'; */
+          /* slicelsc += (dq % 10); */
+          /* slicemsc += (dq / 10); */
           //uart_puts((void*) UART0_CTRL_ADDR, "S ");
           //uart_puts((void*) UART0_CTRL_ADDR, &slicemsc);
           //uart_puts((void*) UART0_CTRL_ADDR, &slicelsc);