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  This information becomes rapidly outdated and is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/atsam/Kconfig

@@ -22,19 +22,19 @@ config BOARD_DIRECTORY
 choice
     prompt "Processor model"
     config MACH_SAM3X8E
-        bool "SAM3x8e (Arduino Due)"
+        bool "SAM3x8e"
         select MACH_SAM3X
     config MACH_SAM3X8C
-        bool "SAM3x8c (Printrboard G2)"
+        bool "SAM3x8c"
         select MACH_SAM3X
     config MACH_SAM4S8C
-        bool "SAM4s8c (Duet Maestro)"
+        bool "SAM4s8c"
         select MACH_SAM4S
     config MACH_SAM4E8E
-        bool "SAM4e8e (Duet Wifi/Eth)"
+        bool "SAM4e8e"
         select MACH_SAM4E
     config MACH_SAME70Q20B
-        bool "SAME70Q20B (Duet 3 6HC)"
+        bool "SAME70Q20B"
         select MACH_SAME70
 endchoice