meta-phosphor: npcm8xx.bbclass: adjust each image alignment by its definition

Tested: buid pass and boot up successful when loading BB at 0x80000 for example

Verified by bootblock log as below:

==========
Load bootblock
==========
tip_firmware_image_init fiu0 cs0  BOOTBLOCK
tag U. scan from 0x80000000 to 0x88000000
tip_firmware_image_scan_flash BOOTBLOCK found addr 0x80080000 dst 0xfffd0000

Signed-off-by: Tim Lee <timlee660101@gmail.com>
Change-Id: I62eced6d80b48d488348d43468f8f01edf83d79a
diff --git a/meta-nuvoton/conf/machine/include/npcm8xx.inc b/meta-nuvoton/conf/machine/include/npcm8xx.inc
index fafa92d..a40e8fb 100644
--- a/meta-nuvoton/conf/machine/include/npcm8xx.inc
+++ b/meta-nuvoton/conf/machine/include/npcm8xx.inc
@@ -23,6 +23,12 @@
 
 SERIAL_CONSOLES ?= "115200;ttyS0"
 
+BB_ALIGN ?= "4096"
+ATF_ALIGN ?= "4096"
+OPTEE_ALIGN ?= "4096"
+UBOOT_ALIGN ?= "4096"
+ALIGN_END ?= "4096"
+
 SOC_FAMILY = "npcm8xx"
 include conf/machine/include/soc-family.inc
 MACHINEOVERRIDES .= ":npcm8xx"
diff --git a/meta-phosphor/classes/image_types_phosphor_nuvoton_npcm8xx.bbclass b/meta-phosphor/classes/image_types_phosphor_nuvoton_npcm8xx.bbclass
index 297db35..dc82c4e 100644
--- a/meta-phosphor/classes/image_types_phosphor_nuvoton_npcm8xx.bbclass
+++ b/meta-phosphor/classes/image_types_phosphor_nuvoton_npcm8xx.bbclass
@@ -35,7 +35,7 @@
 
 python do_merge_bootloaders() {
 
-    def Merge_bin_files_and_pad(inF1, inF2, outF, align, padding_at_end):
+    def Merge_bin_files_and_pad(inF1, inF2, outF, align, align_end):
         padding_size = 0
         padding_size_end = 0
         F1_size = os.path.getsize(inF1)
@@ -44,8 +44,8 @@
         if ((F1_size % align) != 0):
             padding_size = align - (F1_size % align)
 
-        if ((F2_size % align) != 0):
-            padding_size_end = align - (F2_size % align)
+        if ((F2_size % align_end) != 0):
+            padding_size_end = align_end - (F2_size % align_end)
 
         with open(outF, "wb") as file3:
             with open(inF1, "rb") as file1:
@@ -63,22 +63,22 @@
     Merge_bin_files_and_pad(os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('KMT_TIPFW_BINARY',True)),
         os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('BOOTBLOCK',True)),
         os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('KMT_TIPFW_BB_BINARY',True)),
-        0x1000, 0x20)
+        int(d.getVar('BB_ALIGN', True)), int(d.getVar('ALIGN_END', True)))
 
     Merge_bin_files_and_pad(os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('KMT_TIPFW_BB_BINARY',True)),
         os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('ATF_BINARY',True)),
         os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('KMT_TIPFW_BB_BL31_BINARY',True)),
-        0x1000, 0x20)
+        int(d.getVar('ATF_ALIGN', True)), int(d.getVar('ALIGN_END', True)))
 
     Merge_bin_files_and_pad(os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('KMT_TIPFW_BB_BL31_BINARY',True)),
         os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('OPTEE_BINARY',True)),
         os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('KMT_TIPFW_BB_BL31_TEE_BINARY',True)),
-        0x1000, 0x20)
+        int(d.getVar('OPTEE_ALIGN', True)), int(d.getVar('ALIGN_END', True)))
 
     Merge_bin_files_and_pad(os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('KMT_TIPFW_BB_BL31_TEE_BINARY',True)),
         os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s.full' % d.getVar('UBOOT_BINARY',True)),
         os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), '%s' % d.getVar('KMT_TIPFW_BB_UBOOT_BINARY',True)),
-        0x1000, 0x20)
+        int(d.getVar('UBOOT_ALIGN', True)), int(d.getVar('ALIGN_END', True)))
 }
 
 do_prepare_bootloaders[depends] += " \