[SPARC64]: kzalloc() conversion

this patch converts arch/sparc64 to kzalloc usage.
Crosscompile tested with allyesconfig.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc arch/sparc64/kernel/ebus.c
Simple merge

diff --cc arch/sparc64/kernel/irq.c
Simple merge

diff --cc arch/sparc64/kernel/pci_common.c
Simple merge

diff --cc arch/sparc64/kernel/pci_iommu.c
Simple merge

diff --cc arch/sparc64/kernel/pci_psycho.c
Simple merge

diff --cc arch/sparc64/kernel/pci_sabre.c
Simple merge

diff --cc arch/sparc64/kernel/pci_schizo.c
Simple merge

diff --cc arch/sparc64/kernel/setup.c
Simple merge

diff --cc arch/sparc64/kernel/sys_sparc.c
Simple merge

diff --cc arch/sparc64/kernel/us2e_cpufreq.c
Simple merge

diff --cc arch/sparc64/kernel/us3_cpufreq.c
Simple merge