build: Use ifeq/else ifeq/else construction in board config

* Instead of nesting ifeq/else/ifeq/else/endif/endif construction, make
  allows the more readable ifeq/else ifeq/else/endif construction. Use it
  instead.

Change-Id: Ifd2635929799db593e04a13827f05c97e95487e4

config/BoardConfigKernel.mk

@@ -68,11 +68,9 @@ endif
 
 ifeq ($(KERNEL_TOOLCHAIN),)
 KERNEL_TOOLCHAIN_PATH := $(KERNEL_TOOLCHAIN_PREFIX)
-else
-ifneq ($(KERNEL_TOOLCHAIN_PREFIX),)
+else ifneq ($(KERNEL_TOOLCHAIN_PREFIX),)
 KERNEL_TOOLCHAIN_PATH := $(KERNEL_TOOLCHAIN)/$(KERNEL_TOOLCHAIN_PREFIX)
 endif
-endif
 
 ifneq ($(USE_CCACHE),)
     # Detect if the system already has ccache installed to use instead of the prebuilt

config/BoardConfigQcom.mk

@@ -58,35 +58,25 @@ MASTER_SIDE_CP_TARGET_LIST := msm8996 msm8998 sdm660 sdm845
 ifeq ($(call is-board-platform-in-list, $(B_FAMILY)),true)
     MSM_VIDC_TARGET_LIST := $(B_FAMILY)
     QCOM_HARDWARE_VARIANT := msm8974
-else
-ifeq ($(call is-board-platform-in-list, $(B64_FAMILY)),true)
+else ifeq ($(call is-board-platform-in-list, $(B64_FAMILY)),true)
     MSM_VIDC_TARGET_LIST := $(B64_FAMILY)
     QCOM_HARDWARE_VARIANT := msm8994
-else
-ifeq ($(call is-board-platform-in-list, $(BR_FAMILY)),true)
+else ifeq ($(call is-board-platform-in-list, $(BR_FAMILY)),true)
     MSM_VIDC_TARGET_LIST := $(BR_FAMILY)
     QCOM_HARDWARE_VARIANT := msm8916
-else
-ifeq ($(call is-board-platform-in-list, $(UM_3_18_FAMILY)),true)
+else ifeq ($(call is-board-platform-in-list, $(UM_3_18_FAMILY)),true)
     MSM_VIDC_TARGET_LIST := $(UM_3_18_FAMILY)
     QCOM_HARDWARE_VARIANT := msm8996
-else
-ifeq ($(call is-board-platform-in-list, $(UM_4_4_FAMILY)),true)
+else ifeq ($(call is-board-platform-in-list, $(UM_4_4_FAMILY)),true)
     MSM_VIDC_TARGET_LIST := $(UM_4_4_FAMILY)
     QCOM_HARDWARE_VARIANT := msm8998
-else
-ifeq ($(call is-board-platform-in-list, $(UM_4_9_FAMILY)),true)
+else ifeq ($(call is-board-platform-in-list, $(UM_4_9_FAMILY)),true)
     MSM_VIDC_TARGET_LIST := $(UM_4_9_FAMILY)
     QCOM_HARDWARE_VARIANT := sdm845
 else
     MSM_VIDC_TARGET_LIST := $(TARGET_BOARD_PLATFORM)
     QCOM_HARDWARE_VARIANT := $(TARGET_BOARD_PLATFORM)
 endif
-endif
-endif
-endif
-endif
-endif
 
 PRODUCT_SOONG_NAMESPACES += \
     hardware/qcom/audio-caf/$(QCOM_HARDWARE_VARIANT) \