micropython: simplify makefile + update

Platform detection now done upstream.

Signed-off-by: Roger D <rogerdammit@gmail.com>

lang/micropython/Makefile

@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=micropython
-PKG_VERSION=1.3.1-20140830-$(PKG_SOURCE_VERSION)
+PKG_VERSION=1.3.1-20140904-$(PKG_SOURCE_VERSION)
 PKG_RELEASE:=1
 
 PKG_MAINTAINER:=Roger D <rogerdammit@gmail.com>
@@ -17,7 +17,7 @@ PKG_LICENSE_FILES:=LICENSE
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/micropython/micropython.git
-PKG_SOURCE_VERSION:=90fad65d2fb2695e1941296a6a55c175982299f2
+PKG_SOURCE_VERSION:=b534e1b9f14c189d2cef209d40f598e62164694a
 
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE:=$(PKG_SOURCE_SUBDIR).tar.gz
@@ -39,25 +39,9 @@ define Package/micropython/description
  that is optimised to run on a microcontroller (and low power computers).
 endef
 
-# This is necessary for MIPS only (based on https://github.com/pfalcon/micropython/blob/cross/unix/build-mips.sh)
-MIPS_CFLAGS_EXTRA += -DMICROPY_GCREGS_SETJMP=1
-
-ifeq ($(ARCH),mips)
-       TARGET_CFLAGS_EXTRA += $(MIPS_CFLAGS_EXTRA)
-endif
-
-ifeq ($(ARCH),mipsel)
-       TARGET_CFLAGS_EXTRA += $(MIPS_CFLAGS_EXTRA)
-endif
-
-ifneq ($(ARCH),x86_64)
-       TARGET_CFLAGS_EXTRA += -DMICROPY_EMIT_X64=0
-endif
-
 MAKE_FLAGS += \
        -C $(PKG_BUILD_DIR)/unix \
-       MICROPY_USE_READLINE=0 \
-       CFLAGS_EXTRA="$(TARGET_CFLAGS_EXTRA)" 
+       MICROPY_USE_READLINE=0
 
 define Package/micropython/install
 	$(INSTALL_DIR) $(1)/usr/bin