KVM: arm64: vhe: fix a kernel-doc warning

Use the correct function name in the kernel-doc comment to prevent
a warning:

arch/arm64/kvm/hyp/vhe/sysreg-sr.c:109: warning: expecting prototype for __vcpu_put_switch_syregs(). Prototype was for __vcpu_put_switch_sysregs() instead
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: James Morse <james.morse@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Zenghui Yu <yuzenghui@huawei.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: kvmarm@lists.linux.dev
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20240117230714.31025-5-rdunlap@infradead.orgSigned-off-by: Oliver Upton <oliver.upton@linux.dev>

arch/arm64/kvm/hyp/vhe/sysreg-sr.c

@@ -95,7 +95,7 @@ void __vcpu_load_switch_sysregs(struct kvm_vcpu *vcpu)
 }
 
 /**
- * __vcpu_put_switch_syregs - Restore host system registers to the physical CPU
+ * __vcpu_put_switch_sysregs - Restore host system registers to the physical CPU
  *
  * @vcpu: The VCPU pointer
  *