fastboot: move FASTBOOT_FLASH options into Kconfig

Move FASTBOOT_MBR_NAME and FASTBOOT_GPT_NAME into Kconfig.
Add dependency on the FASTBOOT_FLASH setting (also for FASTBOOT_MBR_NAME).
Remove the now redundant GPT_ENTRY_NAME.

Signed-off-by: Petr Kulhavy <brain@jikos.cz>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Steve Rae <steve.rae@raedomain.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
[trini: Add FIXME about xxx_PARTITION needing to be in Kconfig]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/common/fb_mmc.c b/common/fb_mmc.c
index 4bc68a7..81a3bd0 100644
--- a/common/fb_mmc.c
+++ b/common/fb_mmc.c
@@ -14,12 +14,16 @@
 #include <mmc.h>
 #include <div64.h>
 
-#if defined(CONFIG_EFI_PARTITION) && !defined(CONFIG_FASTBOOT_GPT_NAME)
-#define CONFIG_FASTBOOT_GPT_NAME GPT_ENTRY_NAME
+/*
+ * FIXME: Ensure we always set these names via Kconfig once xxx_PARTITION is
+ * migrated
+ */
+#ifndef CONFIG_FASTBOOT_GPT_NAME
+#define CONFIG_FASTBOOT_GPT_NAME "gpt"
 #endif
 
 
-#if defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_FASTBOOT_MBR_NAME)
+#ifndef CONFIG_FASTBOOT_MBR_NAME
 #define CONFIG_FASTBOOT_MBR_NAME "mbr"
 #endif