vendorcode: Fixup AGESA PI Kconfig variables

The *_SELECTED Kconfig variables are not needed with the
options contained within "if CPU_AMD_AGESA_BINARY_PI"
introduced in e4c17ce8. It also removes the need to
source and select the default prior to selecting the
AGESA source or AGESA PI option.

Change-Id: Iffa366f575f7f155bd6c7e7ece2a985f747c83be
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/10981
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2 files changed