iq-8275-evk: add phone to MACHINE_FEATURES

Add 'phone' to MACHINE_FEATURES to support cellular and
telephony functionality for rb4 for external M.2 attach modems.

On IQ-8275, the SDX modem is attached via the standard carrier
board, which provides the M.2 slot.

Signed-off-by: Mrigank Dembla <mdembla@qti.qualcomm.com>

Author: mdembla-bit

conf/machine/iq-8275-evk.conf

@@ -4,7 +4,7 @@
 
 require conf/machine/include/qcom-qcs8300.inc
 
-MACHINE_FEATURES += "efi pci tpm2"
+MACHINE_FEATURES += "efi pci tpm2 phone"
 
 KERNEL_DEVICETREE ?= " \
                       qcom/monaco-evk.dtb \