micropython: Update to 1.20.0, refresh/rework patches

Patches 000-Makefile-no-errors.patch and 020-mpy-cross-fix-flags.patch
are no longer necessary.

This also adds a Build/InstallDev recipe to install files necessary for
micropython-lib.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>
(cherry picked from commit a4ae38494f)

lang/python/micropython/patches/000-Makefile-no-errors.patch

@@ -1,11 +0,0 @@
---- a/ports/unix/Makefile
-+++ b/ports/unix/Makefile
-@@ -36,7 +36,7 @@ INC +=  -I$(TOP)
- INC += -I$(BUILD)
- 
- # compiler settings
--CWARN = -Wall -Werror
-+CWARN = -Wall
- CWARN += -Wextra -Wno-unused-parameter -Wpointer-arith -Wdouble-promotion -Wfloat-conversion
- CFLAGS += $(INC) $(CWARN) -std=gnu99 -DUNIX $(CFLAGS_MOD) $(COPT) -I$(VARIANT_DIR) $(CFLAGS_EXTRA)
- 

lang/python/micropython/patches/020-mpy-cross-fix-flags.patch

@@ -1,20 +0,0 @@
---- a/mpy-cross/Makefile
-+++ b/mpy-cross/Makefile
-@@ -19,7 +19,7 @@ INC += -I$(TOP)
- # compiler settings
- CWARN = -Wall -Werror
- CWARN += -Wextra -Wno-unused-parameter -Wpointer-arith
--CFLAGS = $(INC) $(CWARN) -std=gnu99 $(CFLAGS_MOD) $(COPT) $(CFLAGS_EXTRA)
-+CFLAGS += $(INC) $(CWARN) -std=gnu99 $(CFLAGS_MOD) $(COPT) $(CFLAGS_EXTRA)
- CFLAGS += -fdata-sections -ffunction-sections -fno-asynchronous-unwind-tables
- 
- # Debugging/Optimization
-@@ -42,7 +42,7 @@ else
- # Use gcc syntax for map file
- LDFLAGS_ARCH = -Wl,-Map=$@.map,--cref -Wl,--gc-sections
- endif
--LDFLAGS = $(LDFLAGS_MOD) $(LDFLAGS_ARCH) -lm $(LDFLAGS_EXTRA)
-+LDFLAGS += $(LDFLAGS_MOD) $(LDFLAGS_ARCH) -lm $(LDFLAGS_EXTRA)
- 
- # source files
- SRC_C = \

lang/python/micropython/patches/030-target-no-darwin.patch

@@ -1,6 +1,6 @@
 --- a/ports/unix/Makefile
 +++ b/ports/unix/Makefile
-@@ -24,7 +24,7 @@ QSTR_DEFS = qstrdefsport.h
+@@ -31,7 +31,7 @@ QSTR_DEFS = qstrdefsport.h
  QSTR_GLOBAL_DEPENDENCIES = $(VARIANT_DIR)/mpconfigvariant.h
  
  # OS name, for simple autoconfig

lang/python/micropython/patches/040-extmod-use-external-mbedtls.patch

@@ -9,13 +9,17 @@ Subject: [PATCH 06/10] extmod: Use system mbedtls
 
 --- a/extmod/extmod.mk
 +++ b/extmod/extmod.mk
-@@ -66,81 +66,8 @@ SRC_MOD += $(addprefix $(AXTLS_DIR)/,\
+@@ -131,84 +131,8 @@ SRC_THIRDPARTY_C += $(addprefix $(AXTLS_
  	crypto/sha1.c \
  	)
  else ifeq ($(MICROPY_SSL_MBEDTLS),1)
 -MBEDTLS_DIR = lib/mbedtls
--CFLAGS_MOD += -DMICROPY_SSL_MBEDTLS=1 -I$(TOP)/$(MBEDTLS_DIR)/include
--SRC_MOD += $(addprefix $(MBEDTLS_DIR)/library/,\
+-MBEDTLS_CONFIG_FILE ?= \"mbedtls/mbedtls_config.h\"
+-GIT_SUBMODULES += $(MBEDTLS_DIR)
+-CFLAGS_EXTMOD += -DMBEDTLS_CONFIG_FILE=$(MBEDTLS_CONFIG_FILE)
+-CFLAGS_EXTMOD += -DMICROPY_SSL_MBEDTLS=1 -I$(TOP)/$(MBEDTLS_DIR)/include
+-SRC_THIRDPARTY_C += lib/mbedtls_errors/mp_mbedtls_errors.c
+-SRC_THIRDPARTY_C += $(addprefix $(MBEDTLS_DIR)/library/,\
 -	aes.c \
 -	aesni.c \
 -	arc4.c \
@@ -43,7 +47,6 @@ Subject: [PATCH 06/10] extmod: Use system mbedtls
 -	ecp_curves.c \
 -	entropy.c \
 -	entropy_poll.c \
--	error.c \
 -	gcm.c \
 -	havege.c \
 -	hmac_drbg.c \
@@ -88,7 +91,7 @@ Subject: [PATCH 06/10] extmod: Use system mbedtls
 -	x509write_csr.c \
 -	xtea.c \
 -	)
-+CFLAGS_MOD += -DMICROPY_SSL_MBEDTLS=1
++CFLAGS_EXTMOD += -DMICROPY_SSL_MBEDTLS=1
 +LDFLAGS_MOD += -lmbedx509 -lmbedtls -lmbedcrypto
  endif
  endif