riscv: qspinlock: Fixup _Q_PENDING_LOOPS definition

When CONFIG_RISCV_QUEUED_SPINLOCKS=y, the _Q_PENDING_LOOPS
definition is missing. Add the _Q_PENDING_LOOPS definition for
pure qspinlock usage.

Fixes: ab83647 ("riscv: Add qspinlock support")
Signed-off-by: Guo Ren <[email protected]>
Signed-off-by: Guo Ren <[email protected]>
Reviewed-by: Alexandre Ghiti <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>

Author: guoren83

arch/riscv/include/asm/spinlock.h

@@ -3,8 +3,11 @@
 #ifndef __ASM_RISCV_SPINLOCK_H
 #define __ASM_RISCV_SPINLOCK_H
 
-#ifdef CONFIG_RISCV_COMBO_SPINLOCKS
+#ifdef CONFIG_QUEUED_SPINLOCKS
 #define _Q_PENDING_LOOPS	(1 << 9)
+#endif
+
+#ifdef CONFIG_RISCV_COMBO_SPINLOCKS
 
 #define __no_arch_spinlock_redefine
 #include <asm/ticket_spinlock.h>