platform/x86: mlx-platform: Move module from arch/x86

Since mlx-platform is not an architectural driver, it is moved out
of arch/x86/platform to drivers/platform/x86.
Relevant Makefile and Kconfig are updated.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

MAINTAINERS

@@ -7879,7 +7879,7 @@ MELLANOX PLATFORM DRIVER
 M:      Vadim Pasternak <vadimp@mellanox.com>
 L:      platform-driver-x86@vger.kernel.org
 S:      Supported
-F:      arch/x86/platform/mellanox/mlx-platform.c
+F:      drivers/platform/x86/mlx-platform.c
 
 MELLANOX MLX CPLD HOTPLUG DRIVER
 M:	Vadim Pasternak <vadimp@mellanox.com>

arch/x86/Kconfig

@@ -550,18 +550,6 @@ config X86_INTEL_QUARK
 	  Say Y here if you have a Quark based system such as the Arduino
 	  compatible Intel Galileo.
 
-config MLX_PLATFORM
-	tristate "Mellanox Technologies platform support"
-	depends on X86_64
-	depends on X86_EXTENDED_PLATFORM
-	---help---
-	  This option enables system support for the Mellanox Technologies
-	  platform.
-
-	  Say Y here if you are building a kernel for Mellanox system.
-
-	  Otherwise, say N.
-
 config X86_INTEL_LPSS
 	bool "Intel Low Power Subsystem Support"
 	depends on X86 && ACPI

arch/x86/platform/Makefile

@@ -8,7 +8,6 @@ obj-y	+= iris/
 obj-y	+= intel/
 obj-y	+= intel-mid/
 obj-y	+= intel-quark/
-obj-y	+= mellanox/
 obj-y	+= olpc/
 obj-y	+= scx200/
 obj-y	+= sfi/

arch/x86/platform/mellanox/Makefile

@@ -1 +0,0 @@
-obj-$(CONFIG_MLX_PLATFORM)	+= mlx-platform.o

drivers/platform/x86/Kconfig

@@ -1028,10 +1028,21 @@ config INTEL_TELEMETRY
 	  directly via debugfs files. Various tools may use
 	  this interface for SoC state monitoring.
 
+config MLX_PLATFORM
+	tristate "Mellanox Technologies platform support"
+	depends on X86_64
+	---help---
+	  This option enables system support for the Mellanox Technologies
+	  platform. The Mellanox systems provide data center networking
+	  solutions based on Virtual Protocol Interconnect (VPI) technology
+	  enable seamless connectivity to 56/100Gb/s InfiniBand or 10/40/56GbE
+	  connection.
+
+	  If you have a Mellanox system, say Y or M here.
+
 config MLX_CPLD_PLATFORM
 	tristate "Mellanox platform hotplug driver support"
 	default n
-	depends on MLX_PLATFORM
 	select HWMON
 	select I2C
 	---help---

drivers/platform/x86/Makefile

@@ -71,4 +71,5 @@ obj-$(CONFIG_INTEL_TELEMETRY)	+= intel_telemetry_core.o \
 				   intel_telemetry_pltdrv.o \
 				   intel_telemetry_debugfs.o
 obj-$(CONFIG_INTEL_PMC_CORE)    += intel_pmc_core.o
+obj-$(CONFIG_MLX_PLATFORM)	+= mlx-platform.o
 obj-$(CONFIG_MLX_CPLD_PLATFORM)	+= mlxcpld-hotplug.o

drivers/platform/x86/mlx-platform.c

@@ -1,5 +1,4 @@
 /*
- * arch/x86/platform/mellanox/mlx-platform.c
  * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
  * Copyright (c) 2016 Vadim Pasternak <vadimp@mellanox.com>
  *