CBMEM: Rename cbmem_reinit()

This function does not really initialize anything, but only
checks for the TOC.

Change-Id: I9d100d1823a0b630f5d1175e42a6a15f45266de4
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/4669
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>

src/include/cbmem.h

@@ -145,8 +145,6 @@ void backup_top_of_ram(uint64_t ramtop);
 void cbmem_late_set_table(uint64_t base, uint64_t size);
 #endif
 
-int cbmem_reinit(void);
-
 void get_cbmem_table(uint64_t *base, uint64_t *size);
 struct cbmem_entry *get_cbmem_toc(void);