virtio: make the write_config buffer argument const

[arichardson]

Summary

No functional change intended, but noticed that we could add const here
while adding linuxkpi support for virtio.

[imp]

Looks like const-poisoning to me. :)

sys/dev/virtio/mmio/virtio_mmio.c

 # $FreeBSD$
 
 PORTNAME=       IBMQuantumExperience
-DISTVERSION=    1.8.20
+DISTVERSION=    1.8.26
 CATEGORIES=     devel
 MASTER_SITES=   CHEESESHOP
 PKGNAMEPREFIX=  ${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=     [e-mail]
 COMMENT=        Python library for the Quantum Experience API
 
 LICENSE=        APACHE20
 
 RUN_DEPENDS=        ${PYTHON_PKGNAMEPREFIX}requests>=0:www/py-requests@${FLAVOR}
 
 USES=           python
 USE_PYTHON=     autoplist distutils
 NO_ARCH=        yes
 
 .include <bsd.port.mk>

sys/dev/virtio/pci/virtio_pci_legacy.c

 # $FreeBSD$
 
 PORTNAME=       IBMQuantumExperience
-DISTVERSION=    1.8.20
+DISTVERSION=    1.8.26
 CATEGORIES=     devel
 MASTER_SITES=   CHEESESHOP
 PKGNAMEPREFIX=  ${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=     [e-mail]
 COMMENT=        Python library for the Quantum Experience API
 
 LICENSE=        APACHE20
 
 RUN_DEPENDS=        ${PYTHON_PKGNAMEPREFIX}requests>=0:www/py-requests@${FLAVOR}
 
 USES=           python
 USE_PYTHON=     autoplist distutils
 NO_ARCH=        yes
 
 .include <bsd.port.mk>

sys/dev/virtio/pci/virtio_pci_modern.c

 # $FreeBSD$
 
 PORTNAME=       IBMQuantumExperience
-DISTVERSION=    1.8.20
+DISTVERSION=    1.8.26
 CATEGORIES=     devel
 MASTER_SITES=   CHEESESHOP
 PKGNAMEPREFIX=  ${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=     [e-mail]
 COMMENT=        Python library for the Quantum Experience API
 
 LICENSE=        APACHE20
 
 RUN_DEPENDS=        ${PYTHON_PKGNAMEPREFIX}requests>=0:www/py-requests@${FLAVOR}
 
 USES=           python
 USE_PYTHON=     autoplist distutils
 NO_ARCH=        yes
 
 .include <bsd.port.mk>

sys/dev/virtio/virtio.h

 # $FreeBSD$
 
 PORTNAME=       IBMQuantumExperience
-DISTVERSION=    1.8.20
+DISTVERSION=    1.8.26
 CATEGORIES=     devel
 MASTER_SITES=   CHEESESHOP
 PKGNAMEPREFIX=  ${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=     [e-mail]
 COMMENT=        Python library for the Quantum Experience API
 
 LICENSE=        APACHE20
 
 RUN_DEPENDS=        ${PYTHON_PKGNAMEPREFIX}requests>=0:www/py-requests@${FLAVOR}
 
 USES=           python
 USE_PYTHON=     autoplist distutils
 NO_ARCH=        yes
 
 .include <bsd.port.mk>