x86: Align config.mk and linker scripts with other arches

arch/i386/config.mk

@@ -21,8 +21,6 @@
 # MA 02111-1307 USA
 #
 
-CROSS_COMPILE ?= i386-linux-
-
 STANDALONE_LOAD_ADDR = 0x40000
 
 PLATFORM_CPPFLAGS += -fno-strict-aliasing
@@ -33,8 +31,12 @@ PLATFORM_CPPFLAGS += $(call cc-option, -ffreestanding)
 PLATFORM_CPPFLAGS += $(call cc-option, -fno-toplevel-reorder,  $(call cc-option, -fno-unit-at-a-time))
 PLATFORM_CPPFLAGS += $(call cc-option, -fno-stack-protector)
 PLATFORM_CPPFLAGS += $(call cc-option, -mpreferred-stack-boundary=2)
-PLATFORM_CPPFLAGS += -DCONFIG_I386 -D__I386__
+PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
+
+PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
+
+PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions
+
+LDFLAGS_u-boot += --gc-sections -pie
+LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds
 
-LDFLAGS += --cref
-LDFLAGS_u-boot += --gc-sections
-PLATFORM_RELFLAGS += -ffunction-sections

arch/i386/cpu/config.mk

@@ -21,6 +21,6 @@
 # MA 02111-1307 USA
 #
 
-PLATFORM_RELFLAGS +=
+CROSS_COMPILE ?= i386-linux-
 
-PLATFORM_CPPFLAGS += -march=i386 -Werror
+PLATFORM_CPPFLAGS += -DCONFIG_I386 -D__I386__ -march=i386 -Werror

board/eNET/config.mk

@@ -22,7 +22,3 @@
 #
 
 CONFIG_SYS_TEXT_BASE = 0x06000000
-CFLAGS_common/dlmalloc.o += -Wa,--no-warn -fno-strict-aliasing
-PLATFORM_RELFLAGS += -fvisibility=hidden
-PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
-PLATFORM_LDFLAGS += -pic --emit-relocs -Bsymbolic -Bsymbolic-functions