riscv: Fix NR_CPUS range conditions

The conditions reference the symbol SBI_V01, which does not exist. The
correct symbol is RISCV_SBI_V01.

Fixes: e623715 ("RISC-V: Increase range and default value of NR_CPUS")
Signed-off-by: Samuel Holland <[email protected]>
Reviewed-by: Andrew Jones <[email protected]>
Reviewed-by: Conor Dooley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>

Author: smaeul

arch/riscv/Kconfig

@@ -317,9 +317,9 @@ config SMP
 config NR_CPUS
 	int "Maximum number of CPUs (2-512)"
 	depends on SMP
-	range 2 512 if !SBI_V01
-	range 2 32 if SBI_V01 && 32BIT
-	range 2 64 if SBI_V01 && 64BIT
+	range 2 512 if !RISCV_SBI_V01
+	range 2 32 if RISCV_SBI_V01 && 32BIT
+	range 2 64 if RISCV_SBI_V01 && 64BIT
 	default "32" if 32BIT
 	default "64" if 64BIT