Expose "Optimize for size" option for everybody

Let's put my money where my mouth is.  Smaller code is almost always
faster, if only because a single I$ miss ends up leaving a lot of cycles
to make up for.  And system software - kernels in particular - are known
for taking more cache misses than most other kinds.

On my random config, this made the kernel about 10% smaller, and lmbench
seems to say that it's pretty uniformly faster too. Your milage may vary.
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

init/Kconfig

@@ -339,7 +339,7 @@ config EPOLL
 	  support for epoll family of system calls.
 
 config CC_OPTIMIZE_FOR_SIZE
-	bool "Optimize for size" if EMBEDDED
+	bool "Optimize for size"
 	default y if ARM || H8300
 	help
 	  Enabling this option will pass "-Os" instead of "-O2" to gcc