board: tegra30: switch to updated pre-dm i2c write

Configure PMIC voltages for early stages using updated
early i2c write.

Tested-by: Thierry Reding <treding@nvidia.com> # Beaver T30
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom <twarren@nvidia.com>
diff --git a/board/toradex/colibri_t30/Makefile b/board/toradex/colibri_t30/Makefile
index 4242902..8f33323 100644
--- a/board/toradex/colibri_t30/Makefile
+++ b/board/toradex/colibri_t30/Makefile
@@ -1,4 +1,6 @@
 # Copyright (c) 2013-2014 Stefan Agner
 # SPDX-License-Identifier:      GPL-2.0+
 
+obj-$(CONFIG_SPL_BUILD) += colibri_t30-spl.o
+
 obj-y	+= colibri_t30.o