sh: Allow for bootmem debug support.

Handy for debugging bootmem troubles.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig.debug

@@ -52,6 +52,10 @@ config EARLY_PRINTK
 	  select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using
 	  the kernel command line option to toggle back and forth.
 
+config DEBUG_BOOTMEM
+	depends on DEBUG_KERNEL
+	bool "Debug BOOTMEM initialization"
+
 config DEBUG_STACKOVERFLOW
 	bool "Check for stack overflows"
 	depends on DEBUG_KERNEL