fix FIOQSIZE in arm ioctl.h

arm ioctl.h is the same as the generic one except this macro,
so a workaround solution is used to avoid another ioctl.h copy.
diff --git a/arch/arm/bits/ioctl_fix.h b/arch/arm/bits/ioctl_fix.h
new file mode 100644
index 0000000..ebb383d
--- /dev/null
+++ b/arch/arm/bits/ioctl_fix.h
@@ -0,0 +1,2 @@
+#undef FIOQSIZE
+#define FIOQSIZE 0x545e
diff --git a/arch/generic/bits/ioctl.h b/arch/generic/bits/ioctl.h
index 668d467..c2035fc 100644
--- a/arch/generic/bits/ioctl.h
+++ b/arch/generic/bits/ioctl.h
@@ -200,3 +200,5 @@
 
 #define SIOCDEVPRIVATE		0x89F0
 #define SIOCPROTOPRIVATE	0x89E0
+
+#include <bits/ioctl_fix.h>
diff --git a/arch/generic/bits/ioctl_fix.h b/arch/generic/bits/ioctl_fix.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/arch/generic/bits/ioctl_fix.h