libcflat: moving MIN/MAX here

That's something can be used outside alloc.c.
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

lib/alloc.c

@@ -7,9 +7,6 @@
 #include "asm/spinlock.h"
 #include "asm/io.h"
 
-#define MIN(a, b)		((a) < (b) ? (a) : (b))
-#define MAX(a, b)		((a) > (b) ? (a) : (b))
-
 #define PHYS_ALLOC_NR_REGIONS	256
 
 struct phys_alloc_region {

lib/libcflat.h

@@ -40,6 +40,9 @@
 #define SZ_2M			(1 << 21)
 #define SZ_1G			(1 << 30)
 
+#define MIN(a, b)		((a) < (b) ? (a) : (b))
+#define MAX(a, b)		((a) > (b) ? (a) : (b))
+
 typedef uint8_t		u8;
 typedef int8_t		s8;
 typedef uint16_t	u16;