armv8:ls1012a: Update bootargs for fast-boot

Add optimization parameters like "quiet" in bootargs to reduce the system
boot time

Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava@nxp.com>
Signed-off-by: Harninder Rai <harninder.rai@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

include/configs/ls1012a_common.h

@@ -110,7 +110,7 @@
 	"kernel_size=0x2800000\0"		\
 
 #define CONFIG_BOOTARGS		"console=ttyS0,115200 root=/dev/ram0 " \
-				"earlycon=uart8250,mmio,0x21c0500"
+				"earlycon=uart8250,mmio,0x21c0500 quiet lpj=250000"
 #define CONFIG_BOOTCOMMAND		"sf probe 0:0; sf read $kernel_load "\
 					"$kernel_start $kernel_size && "\
 					"bootm $kernel_load"