docs: firmware: qcom_scm: Fix kernel-doc warning

JIRA: https://issues.redhat.com/browse/RHEL-117514

commit 936badf
Author: Unnathi Chalicheemala <unnathi.chalicheemala@oss.qualcomm.com>
Date:   Thu Apr 3 13:38:24 2025 -0700

    docs: firmware: qcom_scm: Fix kernel-doc warning

    Add description for members of qcom_scm_desc struct to avoid:

    drivers/firmware/qcom/qcom_scm.h:56: warning: Function parameter or struct
    member 'svc' not described in 'qcom_scm_desc'

    drivers/firmware/qcom/qcom_scm.h:56: warning: Function parameter or struct
    member 'cmd' not described in 'qcom_scm_desc'

    drivers/firmware/qcom/qcom_scm.h:56: warning: Function parameter or struct
    member 'owner' not described in 'qcom_scm_desc'

    Signed-off-by: Unnathi Chalicheemala <unnathi.chalicheemala@oss.qualcomm.com>
    Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
    Link: https://lore.kernel.org/r/20250403-fix_scm_doc_warn-v1-1-9cd36345db77@oss.qualcomm.com
    Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Signed-off-by: Eric Chanudet <echanude@redhat.com>

Author: eric-ch

drivers/firmware/qcom/qcom_scm.h

@@ -44,8 +44,11 @@ enum qcom_scm_arg_types {
 
 /**
  * struct qcom_scm_desc
+ * @svc: Service identifier
+ * @cmd: Command identifier
  * @arginfo:	Metadata describing the arguments in args[]
  * @args:	The array of arguments for the secure syscall
+ * @owner: Owner identifier
  */
 struct qcom_scm_desc {
 	u32 svc;