Change Service dir structure, erase uncessary hardkernel functions.

Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/preboot_for_imx6q-sabrelite/nxp_imx6q_sabrelite.lds

@@ -77,6 +77,10 @@ BOOT_STACK_SIZE = 0x4000;
 RAM_VECTORS_SIZE = 72;
 
 /* Specify the memory areas */
+/*
+	ddr3: physical area: [0x10000000, 0x50000000);
+	virt_ddr3: virt area exclude boot(start_sec), that will be [0x90000000 + 0x11000, 0xD0000000)
+*/
 MEMORY
 {
     ocram (rwx)  			: ORIGIN = 0x00900000, LENGTH = 256K
@@ -154,7 +158,7 @@ SECTIONS
 		PROVIDE(boot_end_addr = .);
 	} > ddr3
 
-	/* Other Kernel code is placed over 0x80000000 + 128KB. */
+	/* Other Kernel code is placed over 0x10011000(phy) and 0x90011000(virt). */
 	.text : AT(0x10011000) {
 		*(.vectors)
 		. = ALIGN(0x1000);