Kconfig: Remove references to manufacturers in Kconfig

Avoid referring to particular board manufacturers in "make
menuconfig".  This information becomes rapidly outdated and is
sometimes viewed by competing manufacturers as being unfair.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

src/atsamd/Kconfig

@@ -27,31 +27,31 @@ config BOARD_DIRECTORY
 choice
     prompt "Processor model"
     config MACH_SAMC21G18
-        bool "SAMC21G18 (Duet 3 Toolboard 1LC)"
+        bool "SAMC21G18"
         select MACH_SAMC21
     config MACH_SAMD21G18
-        bool "SAMD21G18 (Arduino Zero)"
+        bool "SAMD21G18"
         select MACH_SAMD21
     config MACH_SAMD21E18
-        bool "SAMD21E18 (Adafruit Trinket M0)"
+        bool "SAMD21E18"
         select MACH_SAMD21
     config MACH_SAMD21J18
-        bool "SAMD21J18 (ReprapWorld Minitronics v2)"
+        bool "SAMD21J18"
         select MACH_SAMD21
     config MACH_SAMD21E15
         bool "SAMD21E15"
         select MACH_SAMD21
     config MACH_SAMD51G19
-        bool "SAMD51G19 (Adafruit ItsyBitsy M4)"
+        bool "SAMD51G19"
         select MACH_SAMD51
     config MACH_SAMD51J19
-        bool "SAMD51J19 (Adafruit Metro M4)"
+        bool "SAMD51J19"
         select MACH_SAMD51
     config MACH_SAMD51N19
         bool "SAMD51N19"
         select MACH_SAMD51
     config MACH_SAMD51P20
-        bool "SAMD51P20 (Adafruit Grand Central)"
+        bool "SAMD51P20"
         select MACH_SAMD51
     config MACH_SAME51J19
         bool "SAME51J19"
@@ -137,9 +137,9 @@ choice
     prompt "Bootloader offset"
     config SAMD_FLASH_START_2000
         depends on MACH_SAMD21
-        bool "8KiB bootloader (Arduino Zero)"
+        bool "8KiB bootloader"
     config SAMD_FLASH_START_4000
-        bool "16KiB bootloader (Arduino M0, Duet 3 Bootloader)"
+        bool "16KiB bootloader"
     config SAMD_FLASH_START_0000
         bool "No bootloader"
 endchoice