Fixed bug #436.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@6405 35acf78f-673a-0410-8e92-d51de3d6d3f4
Fixed bug #433. White space fixes.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@6407 35acf78f-673a-0410-8e92-d51de3d6d3f4
Fixed bug #435.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@6409 35acf78f-673a-0410-8e92-d51de3d6d3f4
fixed merge conflict
ARMCM4-STM32F429-DISCOVERY-SDRAM now with USB