chore: allow extra characters for command line

set pcd to tell about extra kernel command line parameters
expected on jetson platforms for android style boot.

Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>

Platform/NVIDIA/Jetson/Jetson.dsc.inc

@@ -144,6 +144,7 @@
   gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVersionString|L"$(BUILDID_STRING)"
   gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareReleaseDateString|L"$(BUILD_DATE_TIME)"
   gNVIDIATokenSpaceGuid.PcdFtpmShmSize|4096
+  gEmbeddedTokenSpaceGuid.PcdAndroidKernelCommandLineOverflow|100
 
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