sample: sip_svc: fix filter and printk formatting

Rename sample.yml and fix build and filtering.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

samples/subsys/sip_svc/sample.yaml

@@ -6,13 +6,15 @@ common:
     - intel_socfpga_agilex_socdk
 tests:
   sample.subsys.sip_svc:
-    tags: subsys
+    tags:
+      - sipsvc
+    platform_allow:
+      - intel_socfpga_agilex_socdk
+    integration_platforms:
+      - intel_socfpga_agilex_socdk
     harness: console
     harness_config:
       type: one_line
       ordered: true
       regex:
         - "Got response of transaction id 0x[0-9a-f][0-9a-f] and voltage is [0-9].[0-9]+v"
-      filter: CONFIG_ARM_SIP_SVC_HAS_INTEL_SDM_MAILBOX_FIFO
-    integration_platforms:
-      - intel_socfpga_agilex_socdk

samples/subsys/sip_svc/src/main.c

@@ -104,8 +104,8 @@ int main(void)
 		/* Voltage is retrieved as a fixed point number with 16 bits below binary point */
 		voltage = ((float)priv.voltage_channel0 / 65536);
 
-		printk("Got response of transaction id 0x%02x and voltage is %fv\n", trans_id,
-		       voltage);
+		printk("Got response of transaction id 0x%02x and voltage is %fv\n",
+			trans_id, (double)voltage);
 
 		err = sip_svc_close(mb_smc_ctrl, mb_c_token, NULL);
 		__ASSERT(err != SIP_SVC_ID_INVALID, "Failed to close with sip_svc");