mcu: Add Kconfig for ATSAME51G19 (#747)

Support for the MCU found on the Duet Revo Roto toolboard

Signed-off-by: Ella Fox <ella@fox.gal>

Author: EllaFoxo

src/atsamd/Kconfig

@@ -56,6 +56,9 @@ choice
     config MACH_SAMD51P20
         bool "SAMD51P20"
         select MACH_SAMD51
+    config MACH_SAME51G19
+        bool "SAME51G19"
+        select MACH_SAME51
     config MACH_SAME51J19
         bool "SAME51J19"
         select MACH_SAME51
@@ -105,6 +108,7 @@ config MCU
     default "samd51j19a" if MACH_SAMD51J19
     default "samd51n19a" if MACH_SAMD51N19
     default "samd51p20a" if MACH_SAMD51P20
+    default "same51g19a" if MACH_SAME51G19
     default "same51j19a" if MACH_SAME51J19
     default "same51n19a" if MACH_SAME51N19
     default "same54p20a" if MACH_SAME54P20
@@ -113,7 +117,7 @@ config FLASH_SIZE
     hex
     default 0x8000 if MACH_SAMD21E15
     default 0x40000 if MACH_SAMC21G18 || MACH_SAMD21G18 || MACH_SAMD21E18 || MACH_SAMD21J18
-    default 0x80000 if MACH_SAMD51G19 || MACH_SAMD51J19 || MACH_SAMD51N19 || MACH_SAME51J19 || MACH_SAME51N19
+    default 0x80000 if MACH_SAMD51G19 || MACH_SAMD51J19 || MACH_SAMD51N19 || MACH_SAME51G19 || MACH_SAME51J19 || MACH_SAME51N19
     default 0x100000 if MACH_SAMD51P20 || MACH_SAME54P20
 
 config FLASH_BOOT_ADDRESS
@@ -128,7 +132,7 @@ config RAM_SIZE
     hex
     default 0x1000 if MACH_SAMD21E15
     default 0x8000 if MACH_SAMC21G18 ||  MACH_SAMD21G18 || MACH_SAMD21E18 || MACH_SAMD21J18
-    default 0x30000 if MACH_SAMD51G19 || MACH_SAMD51J19 || MACH_SAMD51N19 || MACH_SAME51J19 || MACH_SAME51N19
+    default 0x30000 if MACH_SAMD51G19 || MACH_SAMD51J19 || MACH_SAMD51N19 || MACH_SAME51G19 || MACH_SAME51J19 || MACH_SAME51N19
     default 0x40000 if MACH_SAMD51P20 || MACH_SAME54P20
 
 config STACK_SIZE