Staging: bcm: Remove typedef for _FLASH_2X_CS_INFO and call directly.

This patch removes typedef for _FLASH_2X_CS_INFO, and
changes the name of the struct to bcm_flash2x_cs_info.
In addition, any calls to typedefs FLASH2X_CS_INFO, or
*PFLASH2X_CS_INFO are changed to call the struct
directly.

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