sparc64: Convert over to NO_BOOTMEM.

With help from Sam Ravnborg.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/Kconfig

@@ -61,6 +61,7 @@ config SPARC64
 	select IRQ_PREFLOW_FASTEOI
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select HAVE_C_RECORDMCOUNT
+	select NO_BOOTMEM
 
 config ARCH_DEFCONFIG
 	string