mysql: disable for AVR32

The compiler can't even build it, fixes:
http://autobuild.buildroot.net/results/b5c/b5c3893accc777d717e1d70283437aa626f0aa2d/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/collectd/Config.in

@@ -240,6 +240,7 @@ config BR2_PACKAGE_COLLECTD_MYSQL
 	depends on BR2_INSTALL_LIBSTDCPP # mysql
 	depends on BR2_USE_MMU # mysql
 	depends on BR2_TOOLCHAIN_HAS_THREADS # mysql
+	depends on !BR2_avr32 # mysql
 	select BR2_PACKAGE_MYSQL
 	help
 	  Connects to a MySQL database and issues a "show status" command.

package/mysql/Config.in

@@ -3,6 +3,8 @@ config BR2_PACKAGE_MYSQL
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_TOOLCHAIN_HAS_THREADS
+	# Toolchain is not up to the task
+	depends on !BR2_avr32
 	select BR2_PACKAGE_NCURSES
 	select BR2_PACKAGE_READLINE
 	help

package/poco/Config.in

@@ -55,6 +55,7 @@ config BR2_PACKAGE_POCO_DATA_SQLITE
 config BR2_PACKAGE_POCO_DATA_MYSQL
 	bool "mysql"
 	depends on BR2_USE_MMU # mysql
+	depends on !BR2_avr32 # mysql
 	select BR2_PACKAGE_POCO_DATA
 	select BR2_PACKAGE_MYSQL
 

package/qt5/qt5base/Config.in

@@ -57,6 +57,7 @@ config BR2_PACKAGE_QT5BASE_MYSQL
 	select BR2_PACKAGE_NCURSES
 	select BR2_PACKAGE_READLINE
 	depends on BR2_USE_MMU # mysql
+	depends on !BR2_avr32 # mysql
 	help
 	  Build MySQL plugin
 	  If unsure, say n.

package/sconeserver/Config.in

@@ -35,6 +35,7 @@ config BR2_PACKAGE_SCONESERVER_HTTP_SCONESITE_IMAGE
 config BR2_PACKAGE_SCONESERVER_MYSQL
 	bool "mysql"
 	depends on BR2_USE_MMU # mysql
+	depends on !BR2_avr32 # mysql
 	select BR2_PACKAGE_MYSQL
 	help
 	  MySQL module for Sconeserver