buildroot: add host-python-pycrypto dependency

Currently sign.py uses system python to sign TAs. Problem is
that buildroot can build own host-python. This python lacks
pycrypto, so sign.py fails.

This patch adds dependency on host-python-pycrypto, so buildroot
will always build python with needed module.

Signed-off-by: Volodymyr Babchuk <vlad.babchuk@gmail.com>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

br-ext/package/optee_examples/optee_examples.mk

@@ -3,7 +3,7 @@ OPTEE_EXAMPLES_SOURCE = local
 OPTEE_EXAMPLES_SITE = $(BR2_PACKAGE_OPTEE_EXAMPLES_SITE)
 OPTEE_EXAMPLES_SITE_METHOD = local
 OPTEE_EXAMPLES_INSTALL_STAGING = YES
-OPTEE_EXAMPLES_DEPENDENCIES = optee_client
+OPTEE_EXAMPLES_DEPENDENCIES = optee_client host-python-pycrypto
 OPTEE_EXAMPLES_SDK = $(BR2_PACKAGE_OPTEE_EXAMPLES_SDK)
 OPTEE_EXAMPLES_CONF_OPTS = -DOPTEE_EXAMPLES_SDK=$(OPTEE_EXAMPLES_SDK)
 

br-ext/package/optee_test/optee_test.mk

@@ -3,7 +3,7 @@ OPTEE_TEST_SOURCE = local
 OPTEE_TEST_SITE = $(BR2_PACKAGE_OPTEE_TEST_SITE)
 OPTEE_TEST_SITE_METHOD = local
 OPTEE_TEST_INSTALL_STAGING = YES
-OPTEE_TEST_DEPENDENCIES = optee_client openssl
+OPTEE_TEST_DEPENDENCIES = optee_client openssl host-python-pycrypto
 OPTEE_TEST_SDK = $(BR2_PACKAGE_OPTEE_TEST_SDK)
 OPTEE_TEST_CONF_OPTS = -DOPTEE_TEST_SDK=$(OPTEE_TEST_SDK)