coreboot: introduce commonlib

Instead of reaching into src/include and re-writing code
allow for cleaner code sharing within coreboot and its
utilities. The additional thing needed at this point is
for the utilities to provide a printk() declaration within
a <console/console.h> file. That way code which uses printk()
can than be mapped properly to verbosity of utility parameters.

Change-Id: I9e46a279569733336bc0a018aed96bc924c07cdd
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11592
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/include/stdlib.h

@@ -3,20 +3,6 @@
 
 #include <stddef.h>
 
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
-
-#define ALIGN(x,a)              __ALIGN_MASK(x,(typeof(x))(a)-1UL)
-#define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
-#define ALIGN_UP(x,a)           ALIGN((x),(a))
-#define ALIGN_DOWN(x,a)         ((x) & ~((typeof(x))(a)-1UL))
-#define IS_ALIGNED(x,a)         (((x) & ((typeof(x))(a)-1UL)) == 0)
-
-#define MIN(a,b) ((a) < (b) ? (a) : (b))
-#define MAX(a,b) ((a) > (b) ? (a) : (b))
-#define ABS(a) (((a) < 0) ? (-(a)) : (a))
-#define CEIL_DIV(a, b)  (((a) + (b) - 1) / (b))
-#define IS_POWER_OF_2(x)  (((x) & ((x) - 1)) == 0)
-
 #define min(a,b) MIN((a),(b))
 #define max(a,b) MAX((a),(b))