LoongArch: fix __ffs not defined compile error

LoongArch inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I79UUL

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LoongArch code can not compile,the reason is __ffs is not found,
chage the bitops.h include order to make it fine.

Fixes: 0cba0556 ("cpumask: introduce for_each_cpu_or")
Signed-off-by: NHongchen Zhang <zhanghongchen@loongson.cn>

arch/loongarch/include/asm/bitops.h

@@ -13,7 +13,6 @@
 
 #include <asm/barrier.h>
 
-#include <asm-generic/bitops/find.h>
 #include <asm-generic/bitops/builtin-ffs.h>
 #include <asm-generic/bitops/builtin-fls.h>
 #include <asm-generic/bitops/builtin-__ffs.h>
@@ -21,6 +20,7 @@
 
 #include <asm-generic/bitops/ffz.h>
 #include <asm-generic/bitops/fls64.h>
+#include <asm-generic/bitops/find.h>
 
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/hweight.h>