pkg/cmsis-dsp: update to V5.4.0 from ARM repo

Signed-off-by: Dylan Laduranty <dylan.laduranty@mesotic.com>

pkg/cmsis-dsp/Makefile

 PKG_NAME=cmsis-dsp
-PKG_URL=https://github.com/gebart/CMSIS-DSP.git
-PKG_VERSION=v1.4.5a-riot2
-PKG_LICENSE=BSD-3-Clause
-
-CFLAGS += -Wno-strict-aliasing
+PKG_URL=https://github.com/ARM-software/CMSIS_5
+PKG_VERSION=5.4.0
+PKG_LICENSE=Apache-2.0
+CFLAGS += -Wno-strict-aliasing -Wno-unused-parameter
 
 .PHONY: all
 
 all: git-download
-	"$(MAKE)" -C $(PKG_BUILDDIR)
+	"$(MAKE)" -C $(PKG_BUILDDIR) -f $(CURDIR)/Makefile.$(PKG_NAME)
 
 include $(RIOTBASE)/pkg/pkg.mk

pkg/cmsis-dsp/Makefile.cmsis-dsp

+PKG_NAME=cmsis-dsp
+
+# A list of all the directories to build for CMSIS-DSP
+CMSIS_DIRS += \
+  CMSIS/DSP/Source/BasicMathFunctions \
+  CMSIS/DSP/Source/CommonTables \
+  CMSIS/DSP/Source/ComplexMathFunctions \
+  CMSIS/DSP/Source/ControllerFunctions \
+  CMSIS/DSP/Source/FastMathFunctions \
+  CMSIS/DSP/Source/FilteringFunctions \
+  CMSIS/DSP/Source/MatrixFunctions \
+  CMSIS/DSP/Source/StatisticsFunctions \
+  CMSIS/DSP/Source/SupportFunctions \
+  CMSIS/DSP/Source/TransformFunctions \
+#
+
+INCLUDES += -I$(CURDIR)/CMSIS/DSP/Include
+CMSIS_BINDIRS = $(addprefix $(BINDIR)/$(PKG_NAME)/,$(CMSIS_DIRS))
+
+# Override default RIOT search path for sources to include all of the CMSIS-DSP
+# sources in one library instead of one library per subdirectory.
+SRC := $(foreach DIR,$(CMSIS_DIRS),$(wildcard $(DIR)/*.c))
+SRCXX := $(foreach DIR,$(CMSIS_DIRS),$(wildcard $(DIR)/*.cpp))
+ASMSRC := $(foreach DIR,$(CMSIS_DIRS),$(wildcard $(DIR)/*.s))
+ASSMSRC := $(foreach DIR,$(CMSIS_DIRS),$(wildcard $(DIR)/*.S))
+
+OBJC    := $(SRC:%.c=$(BINDIR)/$(PKG_NAME)/%.o)
+OBJCXX  := $(SRCXX:%.cpp=$(BINDIR)/$(PKG_NAME)/%.o)
+ASMOBJ  := $(ASMSRC:%.s=$(BINDIR)/$(PKG_NAME)/%.o)
+ASSMOBJ := $(ASSMSRC:%.S=$(BINDIR)/$(PKG_NAME)/%.o)
+OBJ = $(OBJC) $(OBJCXX) $(ASMOBJ) $(ASSMOBJ)
+
+# Create subdirectories if they do not already exist
+$(OBJ): | $(CMSIS_BINDIRS)
+
+$(CMSIS_BINDIRS):
+	@mkdir -p $@
+
+# Reset the default goal.
+.DEFAULT_GOAL :=
+
+# Include RIOT settings and recipes
+include $(RIOTBASE)/Makefile.base

pkg/cmsis-dsp/Makefile.include

-INCLUDES += -I$(PKGDIRBASE)/cmsis-dsp/include
+INCLUDES += -I$(PKGDIRBASE)/cmsis-dsp/CMSIS/DSP/Include

pkg/cmsis-dsp/README.md

-Since there is no official public repository for the CMSIS-DSP library, we are using our own repo.
+This package uses DSP ARM CMSIS header from the official
+[ARM github repo](https://github.com/ARM-software/CMSIS_5)