platform/x86: Introduce support for Mellanox hotplug driver

Enable system support for the Mellanox Technologies hotplug platform
driver, which provides support for the next Mellanox basic systems:
"msx6710", "msx6720", "msb7700", "msn2700", "msx1410", "msn2410",
"msb7800", "msn2740", "msn2100" and also various number of derivative
systems from the above basic types.
This driver handles hot-plug events for the power suppliers, power
cables and fans for the above systems.

The Kconfig currently controlling compilation of this code is:
driver/platform/x86:config MLX_CPLD_PLATFORM
                       tristate "Mellanox platform hotplug driver support"

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 1cd38a7..3e30399 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7881,6 +7881,13 @@
 S:      Supported
 F:      arch/x86/platform/mellanox/mlx-platform.c
 
+MELLANOX MLX CPLD HOTPLUG DRIVER
+M:	Vadim Pasternak <vadimp@mellanox.com>
+L:	platform-driver-x86@vger.kernel.org
+S:	Supported
+F:	drivers/platform/x86/mlxcpld-hotplug.c
+F:	include/linux/platform_data/mlxcpld-hotplug.h
+
 SOFT-ROCE DRIVER (rxe)
 M:	Moni Shoua <monis@mellanox.com>
 L:	linux-rdma@vger.kernel.org