support devices without bootpartition

if device has no /boot partition, then add the following flag in BoardConfig.mk

TW_HAS_NO_BOOT_PARTITION

Signed-off-by: ChampionSwimmer <android@championswimmer.tk>

Change-Id: I92b36b2e6ca690e2422b36004ae9bb315d24a7c2
diff --git a/Android.mk b/Android.mk
index 1ad1e0d..58b0607 100644
--- a/Android.mk
+++ b/Android.mk
@@ -141,6 +141,9 @@
 ifeq ($(TW_HAS_NO_RECOVERY_PARTITION), true)
     LOCAL_CFLAGS += -DTW_HAS_NO_RECOVERY_PARTITION
 endif
+ifeq ($(TW_HAS_NO_BOOT_PARTITION), true)
+    LOCAL_CFLAGS += -DTW_HAS_NO_BOOT_PARTITION
+endif
 ifeq ($(TW_NO_REBOOT_BOOTLOADER), true)
     LOCAL_CFLAGS += -DTW_NO_REBOOT_BOOTLOADER
 endif
diff --git a/partitionmanager.cpp b/partitionmanager.cpp
index bcabb1c..895d361 100644
--- a/partitionmanager.cpp
+++ b/partitionmanager.cpp
@@ -704,6 +704,7 @@
 			DataManager::SetValue(TW_BACKUP_RECOVERY_VAR, 0);
 		}
 	}
+#ifndef TW_HAS_NO_BOOT_PARTITION
 	DataManager::GetValue(TW_BACKUP_BOOT_VAR, check);
 	if (check) {
 		backup_boot = Find_Partition_By_Path("/boot");
@@ -718,6 +719,7 @@
 			DataManager::SetValue(TW_BACKUP_BOOT_VAR, 0);
 		}
 	}
+#endif
 	DataManager::GetValue(TW_BACKUP_ANDSEC_VAR, check);
 	if (check) {
 		backup_andsec = Find_Partition_By_Path("/and-sec");
@@ -962,6 +964,7 @@
 			partition_count++;
 		}
 	}
+#ifndef TW_HAS_NO_BOOT_PARTITION
 	DataManager::GetValue(TW_RESTORE_BOOT_VAR, check);
 	if (check > 0) {
 		restore_boot = Find_Partition_By_Path("/boot");
@@ -971,6 +974,7 @@
 			partition_count++;
 		}
 	}
+#endif
 	DataManager::GetValue(TW_RESTORE_ANDSEC_VAR, check);
 	if (check > 0) {
 		restore_andsec = Find_Partition_By_Path("/and-sec");