package/mhz: add new package

mhz is a tool to mathematically calculate the real running CPU frequency
and as such has proved as invaluable tool for developing CPUFreq and
similar features in the kernel.

Its source finally got a license recently so it can be packaged.

Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -2540,6 +2540,7 @@ F:	package/azmq/
 
 N:	Robert Marko <robimarko@gmail.com>
 F:	package/mdio-tools/
+F:	package/mhz/
 
 N:	Robert Rose <robertroyrose@gmail.com>
 F:	package/grpc/

package/Config.in

@@ -551,6 +551,7 @@ endmenu
 	source "package/memtest86/Config.in"
 	source "package/memtester/Config.in"
 	source "package/memtool/Config.in"
+	source "package/mhz/Config.in"
 	source "package/minicom/Config.in"
 	source "package/msr-tools/Config.in"
 	source "package/nanocom/Config.in"

package/mhz/Config.in

@@ -0,0 +1,6 @@
+config BR2_PACKAGE_MHZ
+	bool "mhz"
+	help
+	  CPU frequency measurement utility.
+
+	  https://github.com/wtarreau/mhz.git

package/mhz/mhz.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  c4b49dc719846220b96ac6060f15dd917316189cbbd2e0896b1b5e796e063ede  mhz-11aac2399780a1f7ea9f007b14af0464797d5cf1.tar.gz
+sha256  9449d373cad921620bb8f1e4f7b39f957e263163ded159c1efc8de27f8997099  LICENSE

package/mhz/mhz.mk

@@ -0,0 +1,20 @@
+################################################################################
+#
+# mhz
+#
+################################################################################
+
+MHZ_VERSION = 11aac2399780a1f7ea9f007b14af0464797d5cf1
+MHZ_SITE = $(call github,wtarreau,mhz,$(MHZ_VERSION))
+MHZ_LICENSE = MIT
+MHZ_LICENSE_FILES = LICENSE
+
+define MHZ_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D)
+endef
+
+define MHZ_INSTALL_TARGET_CMDS
+	$(INSTALL) -D -m 0755 $(@D)/mhz $(TARGET_DIR)/usr/bin/mhz
+endef
+
+$(eval $(generic-package))