micronucleus: update to 2.6

cross/micronucleus/Portfile

@@ -4,9 +4,8 @@ PortSystem          1.0
 
 PortGroup           github 1.0
 
-github.setup        micronucleus micronucleus 2.5 v
-# Change github.tarball_from to 'releases' or 'archive' next update
-github.tarball_from tarball
+github.setup        micronucleus micronucleus 2.6 v
+github.tarball_from archive
 revision            0
 
 categories          cross
@@ -17,9 +16,12 @@ long_description    Micronucleus is a bootloader designed for AVR ATtiny microco
                     upload tool, and a strong emphasis on bootloader compactness.
 license             GPL-2
 
-checksums           rmd160  199987dc2879ca197c62902cd7e430b578af0b8d \
-                    sha256  b233895d26d522672b6bf7e0604adf6231a0e6b35f442a5d2c5a4859a019f9bc \
-                    size    2213199
+checksums           rmd160  ada983ecb8278cb792cc2641b780a538ad2acadc \
+                    sha256  586d7bb1c064fe93dc5fc5b5ae0651641cd7fa8272b06cfd11feb6a0b2a06b9c \
+                    size    2219881
+
+depends_build-append \
+                    path:bin/pkg-config:pkgconfig
 
 depends_lib-append  path:lib/pkgconfig/libusb-1.0.pc:libusb \
                     port:libusb-compat