[PATCH v4] ARM: i.MX8M: smccc: allow SIP_BUILDINFO call on all imx8m variants

[Johannes Schneider <johannes.schneider@leica-geosystems.com>]

By adding a common config switch, the imx8m_init code becomes generic
for all board variants (and slightly less confusing).

Signed-off-by: Johannes Schneider <johannes.schneider@leica-geosystems.com>

---
v4: add missing common switch

v3: redid patch with suggested common config switch

v2: was:
[PATCH v2 1/1] ARM: i.MX8M: smccc: fix firmware_atf check

v1: or'ed all IS_ENABLED(FIRMWARE_IMX8M[mnpq]_ATF
---
 arch/arm/mach-imx/imx8m.c | 2 +-
 firmware/Kconfig          | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/imx8m.c b/arch/arm/mach-imx/imx8m.c
index 9758525b54..4399dc7dd5 100644
--- a/arch/arm/mach-imx/imx8m.c
+++ b/arch/arm/mach-imx/imx8m.c
@@ -61,7 +61,7 @@ static int imx8m_init(const char *cputypestr)
 	pr_info("%s unique ID: %llx\n", cputypestr, imx8m_uid());
 
 	if (IS_ENABLED(CONFIG_ARM_SMCCC) &&
-	    IS_ENABLED(CONFIG_FIRMWARE_IMX8MQ_ATF)) {
+	    IS_ENABLED(CONFIG_FIRMWARE_IMX8M_ATF)) {
 		arm_smccc_smc(IMX_SIP_BUILDINFO,
 			      IMX_SIP_BUILDINFO_GET_COMMITHASH,
 			      0, 0, 0, 0, 0, 0, &res);
diff --git a/firmware/Kconfig b/firmware/Kconfig
index b4a6fd9137..09ad85c539 100644
--- a/firmware/Kconfig
+++ b/firmware/Kconfig
@@ -12,17 +12,24 @@ config FIRMWARE_IMX_LPDDR4_PMU_TRAIN
 config FIRMWARE_IMX_DDR4_PMU_TRAIN
        	bool
 
+config FIRMWARE_IMX8M_ATF
+	bool
+
 config FIRMWARE_IMX8MM_ATF
         bool
+	select FIRMWARE_IMX8M_ATF
 
 config FIRMWARE_IMX8MN_ATF
         bool
+	select FIRMWARE_IMX8M_ATF
 
 config FIRMWARE_IMX8MP_ATF
         bool
+	select FIRMWARE_IMX8M_ATF
 
 config FIRMWARE_IMX8MQ_ATF
         bool
+	select FIRMWARE_IMX8M_ATF
 
 config FIRMWARE_CCBV2_OPTEE
 	bool
-- 
2.25.1