mtd: physmap: physmap-bt1-rom: Remove not-going-to-be-supported code for Baikal SoC

As noticed in the discussion [1] the Baikal SoC and platforms
are not going to be finalized, hence remove stale code.

Link: https://lore.kernel.org/lkml/22b92ddf-6321-41b5-8073-f9c7064d3432@infradead.org/ [1]
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

Author: andy-shev

drivers/mtd/maps/Kconfig

@@ -75,17 +75,6 @@ config MTD_PHYSMAP_OF
 	  physically into the CPU's memory. The mapping description here is
 	  taken from OF device tree.
 
-config MTD_PHYSMAP_BT1_ROM
-	bool "Baikal-T1 Boot ROMs OF-based physical memory map handling"
-	depends on MTD_PHYSMAP_OF
-	depends on MIPS_BAIKAL_T1 || COMPILE_TEST
-	select MTD_COMPLEX_MAPPINGS
-	select MULTIPLEXER
-	select MUX_MMIO
-	help
-	  This provides some extra DT physmap parsing for the Baikal-T1
-	  platforms, some detection and setting up ROMs-specific accessors.
-
 config MTD_PHYSMAP_VERSATILE
 	bool "ARM Versatile OF-based physical memory map handling"
 	depends on MTD_PHYSMAP_OF

drivers/mtd/maps/Makefile

@@ -19,7 +19,6 @@ obj-$(CONFIG_MTD_TSUNAMI)	+= tsunami_flash.o
 obj-$(CONFIG_MTD_PXA2XX)	+= pxa2xx-flash.o
 obj-$(CONFIG_MTD_PHYSMAP)	+= physmap.o
 physmap-y			:= physmap-core.o
-physmap-$(CONFIG_MTD_PHYSMAP_BT1_ROM) += physmap-bt1-rom.o
 physmap-$(CONFIG_MTD_PHYSMAP_VERSATILE) += physmap-versatile.o
 physmap-$(CONFIG_MTD_PHYSMAP_GEMINI) += physmap-gemini.o
 physmap-$(CONFIG_MTD_PHYSMAP_IXP4XX) += physmap-ixp4xx.o

drivers/mtd/maps/physmap-bt1-rom.c

@@ -42,7 +42,6 @@
 #include <linux/pm_runtime.h>
 #include <linux/gpio/consumer.h>
 
-#include "physmap-bt1-rom.h"
 #include "physmap-gemini.h"
 #include "physmap-ixp4xx.h"
 #include "physmap-versatile.h"