icnss2: Add build type info to wlfw_cap_req_msg

Provide Host build type to fw using wlfw_cap_req QMI message for
QDSS feature handling.

Change-Id: Ia5507be4067e6ae4724b55fbee7db940110411e7
Signed-off-by: Mohammed Siddiq <msiddiq@codeaurora.org>