Convert CONFIG_SPL_BSS_MAX_SIZE et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SPL_BSS_MAX_SIZE
   CONFIG_SPL_MAX_FOOTPRINT

Note that the da850evm platforms were violating the "only use one" rule
here, and so now hard-code their BSS limit.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/chromebook_coral_defconfig b/configs/chromebook_coral_defconfig
index 1111651..298f4be 100644
--- a/configs/chromebook_coral_defconfig
+++ b/configs/chromebook_coral_defconfig
@@ -41,6 +41,7 @@
 # CONFIG_TPL_BLOBLIST is not set
 CONFIG_BLOBLIST_ADDR=0x100000
 CONFIG_BLOBLIST_SIZE=0x30000
+CONFIG_SPL_NO_BSS_LIMIT=y
 CONFIG_HANDOFF=y
 CONFIG_TPL_SYS_MALLOC_SIMPLE=y
 CONFIG_SPL_SEPARATE_BSS=y