libpayload: Add CB_ prefixes to some constants in coreboot_tables.h.

This makes their names more consistent with other constants in this header,
avoids name collisions, and makes it more obvious where the names came from.

Change-Id: I7b8bd4ada0fbaf049f35759a907281265f5bb2e6
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://review.coreboot.org/1729
Tested-by: build bot (Jenkins)
Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
diff --git a/payloads/libpayload/drivers/options.c b/payloads/libpayload/drivers/options.c
index d3ec137..a01f977 100644
--- a/payloads/libpayload/drivers/options.c
+++ b/payloads/libpayload/drivers/options.c
@@ -155,7 +155,7 @@
 static struct cb_cmos_entries *lookup_cmos_entry(struct cb_cmos_option_table *option_table, const char *name)
 {
 	struct cb_cmos_entries *cmos_entry;
-	int len = name ? strnlen(name, CMOS_MAX_NAME_LENGTH) : 0;
+	int len = name ? strnlen(name, CB_CMOS_MAX_NAME_LENGTH) : 0;
 
 	/* cmos entries are located right after the option table */
 	cmos_entry = first_cmos_entry(option_table);
@@ -235,7 +235,7 @@
 /* Either value or text must be NULL. Returns the field that matches "the other" for a given config_id */
 static struct cb_cmos_enums *lookup_cmos_enum_core(struct cb_cmos_option_table *option_table, int config_id, const u8 *value, const char *text)
 {
-	int len = strnlen(text, CMOS_MAX_TEXT_LENGTH);
+	int len = strnlen(text, CB_CMOS_MAX_TEXT_LENGTH);
 
 	/* cmos enums are located after cmos entries. */
 	struct cb_cmos_enums *cmos_enum;