cpu/lpc23xx: Add Kconfig symbols

cpu/lpc23xx/Kconfig

@@ -0,0 +1,44 @@
+# Copyright (c) 2020 HAW Hamburg
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+config CPU_FAM_LPC23XX
+    bool
+    select CPU_CORE_ARM7TDMI_S
+    select HAS_BACKUP_RAM
+    select HAS_CPU_LPC23XX
+    select HAS_PERIPH_DAC
+    select HAS_PERIPH_GPIO
+    select HAS_PERIPH_GPIO_IRQ
+    select HAS_PERIPH_TIMER_PERIODIC
+
+## CPU Models
+config CPU_MODEL_LPC2387
+    bool
+    select CPU_FAM_LPC23XX
+
+config CPU_MODEL_LPC2388
+    bool
+    select CPU_FAM_LPC23XX
+
+## Declaration of specific features
+config HAS_CPU_LPC23XX
+    bool
+    help
+        Indicates that an 'lpc23xx' cpu is being used.
+
+## Common CPU symbols
+config CPU_FAM
+    default "lpc23xx" if CPU_FAM_LPC23XX
+
+config CPU_MODEL
+    default "lpc2387" if CPU_MODEL_LPC2387
+    default "lpc2388" if CPU_MODEL_LPC2388
+
+config CPU
+    default "lpc23xx" if CPU_FAM_LPC23XX
+
+source "$(RIOTCPU)/arm7_common/Kconfig"

cpu/lpc23xx/Makefile.features

@@ -4,4 +4,4 @@ FEATURES_PROVIDED += periph_dac
 FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_timer_periodic
 
--include $(RIOTCPU)/arm7_common/Makefile.features
+include $(RIOTCPU)/arm7_common/Makefile.features