samples: rtc: Decrease alarm timeout value
samples: rtc: Decrease alarm timeout value

The current value for RTC alarm has been a bit annoying during RTC tests
since we have to wait 10 seconds to verify that the RTC driver is working
properly. So this patch changes the alarm timeout to 1 second.

Change-Id: I2ef2aaeb13a4f53c8ab294ffedc198e8f3ba92a7
Signed-off-by: Andre Guedes <282d5d3bbdb7014316a30ab22daf425f10cd096c@intel.com>

GiulianoFranchetto/zephyr,punitvara/zephyr,mbolivar/zephyr,ldts/zephyr,tidyjiang8/zephyr-doc,punitvara/zephyr,punitvara/zephyr,zephyriot/zephyr,nashif/zephyr,bigdinotech/zephyr,zephyrproject-rtos/zephyr,explora26/zephyr,pklazy/zephyr,aceofall/zephyr-iotos,explora26/zephyr,pklazy/zephyr,sharronliu/zephyr,runchip/zephyr-cc3220,aceofall/zephyr-iotos,zephyriot/zephyr,runchip/zephyr-cc3200,erwango/zephyr,tidyjiang8/zephyr-doc,runchip/zephyr-cc3200,pklazy/zephyr,fractalclone/zephyr-riscv,bigdinotech/zephyr,Vudentz/zephyr,rsalveti/zephyr,tidyjiang8/zephyr-doc,rsalveti/zephyr,fbsder/zephyr,erwango/zephyr,galak/zephyr,galak/zephyr,nashif/zephyr,Vudentz/zephyr,tidyjiang8/zephyr-doc,aceofall/zephyr-iotos,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,GiulianoFranchetto/zephyr,rsalveti/zephyr,explora26/zephyr,kraj/zephyr,aceofall/zephyr-iotos,mirzak/zephyr-os,galak/zephyr,bboozzoo/zephyr,fractalclone/zephyr-riscv,kraj/zephyr,kraj/zephyr,zephyriot/zephyr,finikorg/zephyr,punitvara/zephyr,fbsder/zephyr,runchip/zephyr-cc3200,mirzak/zephyr-os,ldts/zephyr,erwango/zephyr,GiulianoFranchetto/zephyr,bigdinotech/zephyr,zephyrproject-rtos/zephyr,bboozzoo/zephyr,galak/zephyr,kraj/zephyr,ldts/zephyr,zephyrproject-rtos/zephyr,pklazy/zephyr,bboozzoo/zephyr,rsalveti/zephyr,nashif/zephyr,mbolivar/zephyr,Vudentz/zephyr,coldnew/zephyr-project-fork,32bitmicro/zephyr,punitvara/zephyr,rsalveti/zephyr,holtmann/zephyr,tidyjiang8/zephyr-doc,Vudentz/zephyr,fractalclone/zephyr-riscv,GiulianoFranchetto/zephyr,32bitmicro/zephyr,bboozzoo/zephyr,fractalclone/zephyr-riscv,explora26/zephyr,sharronliu/zephyr,kraj/zephyr,bboozzoo/zephyr,coldnew/zephyr-project-fork,runchip/zephyr-cc3200,bigdinotech/zephyr,explora26/zephyr,runchip/zephyr-cc3220,sharronliu/zephyr,mirzak/zephyr-os,finikorg/zephyr,mirzak/zephyr-os,runchip/zephyr-cc3220,Vudentz/zephyr,sharronliu/zephyr,fbsder/zephyr,coldnew/zephyr-project-fork,coldnew/zephyr-project-fork,nashif/zephyr,holtmann/zephyr,zephyriot/zephyr,fbsder/zephyr,runchip/zephyr-cc3200,holtmann/zephyr,bigdinotech/zephyr,coldnew/zephyr-project-fork,holtmann/zephyr,Vudentz/zephyr,erwango/zephyr,32bitmicro/zephyr,32bitmicro/zephyr,mbolivar/zephyr,fbsder/zephyr,finikorg/zephyr,runchip/zephyr-cc3220,zephyrproject-rtos/zephyr,pklazy/zephyr,ldts/zephyr,holtmann/zephyr,32bitmicro/zephyr,erwango/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,mbolivar/zephyr,fractalclone/zephyr-riscv,finikorg/zephyr,mbolivar/zephyr,mirzak/zephyr-os,aceofall/zephyr-iotos,runchip/zephyr-cc3220,sharronliu/zephyr,zephyriot/zephyr,ldts/zephyr