linux-user: Implement FUTEX_WAKE_BITSET

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220829021006.67305-4-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 17e17f4..e2b6b56 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7789,6 +7789,7 @@
         val = tswap32(val);
         break;
     case FUTEX_WAKE:
+    case FUTEX_WAKE_BITSET:
         timeout = 0;
         break;
     case FUTEX_FD: