COMPAT_BINFMT_ELF definition tweak

Don't repeat BINFMT_ELF definition, simply multiply COMPAT and BINFMT_ELF.
Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

fs/Kconfig.binfmt

@@ -25,7 +25,7 @@ config BINFMT_ELF
 
 config COMPAT_BINFMT_ELF
 	bool
-	depends on COMPAT && MMU
+	depends on COMPAT && BINFMT_ELF
 
 config BINFMT_ELF_FDPIC
 	bool "Kernel support for FDPIC ELF binaries"