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

This patch removes typedef for eNVM_TYPE, and changes
the name of the enum to bcm_nvm_type. In addition,
any calls to enum "NVM_TYPE" are changed to call
directly.

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