bluetooth: Correct dependencies for BT_LL_SOFTDEVICE_HEADERS_INCLUDE

SDC headers include files from nrfx/mdk, which are only available
on Nordic nRF platforms. Correct the dependencies so they aren't
included on non-bsim native platform builds.

Signed-off-by: Aleksandar Stanoev <[email protected]>

Author: alexstanoev-nordic

subsys/bluetooth/Kconfig

@@ -31,6 +31,7 @@ config BT_MAX_CONN
 
 config BT_LL_SOFTDEVICE_HEADERS_INCLUDE
 	bool
+	depends on (SOC_SERIES_BSIM_NRFXX || SOC_FAMILY_NORDIC_NRF)
 	default y if !BT_CTLR
 	help
 	  Include SoftDevice header files provided with the library.