soc/intel/apollolake: Fix flashconsole, again

This time, it failed to build if measured boot was not enabled. Fix this
problem, and make sure flashconsole will not break like that again.

Change-Id: I5f5ffd14a3225804524cb0c1518e3d99737e0a93
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39164
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

configs/config.google_octopus_spi_flash_console

@@ -0,0 +1,4 @@
+CONFIG_VENDOR_GOOGLE=y
+CONFIG_BOARD_GOOGLE_OCTOPUS=y
+CONFIG_CONSOLE_SPI_FLASH=y
+# CONFIG_VBOOT_MEASURED_BOOT is not set