kconfig: move BLE_* features to common features file

These BLE_* features are not necessarily nRF5x specific and should be defined as common features. The commit also fixes the alphabetical order for HAS_RUST_TARGET.

cpu/nrf5x_common/Kconfig

@@ -27,26 +27,6 @@ config CPU_COMMON_NRF5X
     select HAS_RADIO_NRFMIN
 
 ## Definition of specific features
-config HAS_BLE_NIMBLE
-    bool
-    help
-        Indicates that the NimBLE stack is supported on the current platform.
-
-config HAS_BLE_NIMBLE_NETIF
-    bool
-    help
-        Indicates that NimBLE netif is supported on the current platform.
-
-config HAS_BLE_PHY_2MBIT
-    bool
-    help
-        Indicates that the BLE radio supports the 2Mbit PHY mode
-
-config HAS_BLE_PHY_CODED
-    bool
-    help
-        Indicates that the BLE radio supports the CODED PHY mode
-
 config HAS_RADIO_NRFBLE
     bool
     select HAVE_NRF5X_RADIO

kconfigs/Kconfig.features

@@ -42,10 +42,25 @@ config HAS_BACKUP_RAM
     help
         Indicates that Backup RAM is supported.
 
-config HAS_RUST_TARGET
+config HAS_BLE_NIMBLE
     bool
     help
-        Indicates that a Rust target definition ("triple") is known.
+        Indicates that the NimBLE stack is supported on the current platform.
+
+config HAS_BLE_NIMBLE_NETIF
+    bool
+    help
+        Indicates that NimBLE netif is supported on the current platform.
+
+config HAS_BLE_PHY_2MBIT
+    bool
+    help
+        Indicates that the BLE radio supports the 2Mbit PHY mode
+
+config HAS_BLE_PHY_CODED
+    bool
+    help
+        Indicates that the BLE radio supports the CODED PHY mode
 
 config HAS_CPP
     bool
@@ -438,6 +453,11 @@ config HAS_RIOTBOOT
     help
         Indicates that the riotboot booloader is supported.
 
+config HAS_RUST_TARGET
+    bool
+    help
+        Indicates that a Rust target definition ("triple") is known.
+
 config HAS_SDCARD_SPI
     bool
     help