hw/misc/sbsa_ec: Declare QOM macros using OBJECT_DECLARE_SIMPLE_TYPE()

This model was merged few days before the QOM cleanup from
commit 8063396bf3 ("Use OBJECT_DECLARE_SIMPLE_TYPE when possible")
was pulled and merged. Manually adapt.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-13-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/misc/sbsa_ec.c

@@ -21,8 +21,7 @@ typedef struct SECUREECState {
 } SECUREECState;
 
 #define TYPE_SBSA_SECURE_EC "sbsa-ec"
-#define SBSA_SECURE_EC(obj) \
-        OBJECT_CHECK(SECUREECState, (obj), TYPE_SBSA_SECURE_EC)
+OBJECT_DECLARE_SIMPLE_TYPE(SECUREECState, SBSA_SECURE_EC)
 
 enum sbsa_ec_powerstates {
     SBSA_EC_CMD_POWEROFF = 0x01,