freescale: Tweak various Makefiles to remove redundancy, fix aesthetics

No intended functional change, just remove redundancies in some
Makefiles, and make whitespace aesthetics uniform.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/t4rdb/Makefile b/board/freescale/t4rdb/Makefile
index 83b55ee..4f29eea 100644
--- a/board/freescale/t4rdb/Makefile
+++ b/board/freescale/t4rdb/Makefile
@@ -5,13 +5,14 @@
 #
 
 ifdef CONFIG_SPL_BUILD
-obj-y += spl.o
+obj-y	+= spl.o
 else
-obj-$(CONFIG_T4240RDB) += t4240rdb.o
-obj-y	+= cpld.o
-obj-y	+= eth.o
+obj-$(CONFIG_T4240RDB)	+= t4240rdb.o
+obj-y			+= cpld.o
+obj-y			+= eth.o
 obj-$(CONFIG_PCI)	+= pci.o
 endif
+
 obj-y	+= ddr.o
 obj-y	+= law.o
 obj-y	+= tlb.o