Staging: bcm: Remove typedef for _FLASH2X_BITMAP and call directly.

This patch removes typedef for _FLASH2X_BITMAP,
and changes the name of the struct to
bcm_flash2x_bitmap. In addition, any calls
to typedefs FLASH2X_BITMAP, or *PFLASH2X_BITMAP
are changed to call the struct directly.

Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>