m68k doesn't have memblock_reserve, which causes a build failure
with allmodconfig.  Make PERSISTENT_RAM and RAM_CONSOLE depend on
HAVE_MEMBLOCK.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 
 config ANDROID_PERSISTENT_RAM
        bool
+       depends on HAVE_MEMBLOCK
        select REED_SOLOMON
        select REED_SOLOMON_ENC8
        select REED_SOLOMON_DEC8
 
 config ANDROID_RAM_CONSOLE
        bool "Android RAM buffer console"
-       depends on !S390 && !UML
+       depends on !S390 && !UML && HAVE_MEMBLOCK
        select ANDROID_PERSISTENT_RAM
        default n