Bump buildroot to 2019.02

bsp/buildroot/package/alljoyn/Config.in

@@ -7,7 +7,6 @@ config BR2_PACKAGE_ALLJOYN
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_WCHAR
 	select BR2_PACKAGE_LIBCAP
-	select BR2_PACKAGE_OPENSSL
 	help
 	  The AllJoyn framework defines a common way for devices and
 	  apps to communicate with one another regardless of brands,

bsp/buildroot/package/alljoyn/alljoyn.mk

@@ -11,11 +11,9 @@ ALLJOYN_SITE = https://mirrors.kernel.org/allseenalliance/alljoyn/$(ALLJOYN_REV)
 # See https://allseenalliance.org/alliance/ip-policy
 ALLJOYN_LICENSE = ISC
 
-ALLJOYN_DEPENDENCIES = host-scons libcap openssl
+ALLJOYN_DEPENDENCIES = host-scons libcap
 ALLJOYN_INSTALL_STAGING = YES
 
-ALLJOYN_CRYPTO = openssl
-
 # AllJoyn can be compiled in debug or release mode. By default, AllJoyn is built
 # in debug mode.
 ALLJOYN_VARIANT = release
@@ -39,7 +37,7 @@ ALLJOYN_SCONS_OPTS = \
 	CPU=$(ALLJOYN_CPU) \
 	VARIANT=$(ALLJOYN_VARIANT) \
 	BR=off \
-	CRYPTO=$(ALLJOYN_CRYPTO) \
+	CRYPTO=builtin \
 	BINDINGS=$(ALLJOYN_BINDINGS) \
 	TARGET_CFLAGS="$(TARGET_CFLAGS)" \
 	TARGET_CPPFLAGS="$(TARGET_CPPFLAGS)" \