fix spinlock implementation
fix spinlock implementation

yuhangwang/cocotron,yuhangwang/cocotron,JackLian/cocotron,Suninus/cocotron,guestOS/guestOS,Suninus/cocotron,ruppmatt/cocotron,cneira/cocotron,gemu2015/cocotron-sierra,ruppmatt/cocotron,crystax/android-vendor-cocotron,plasq/cocotron,crystax/android-vendor-cocotron,crystax/android-vendor-cocotron,guestOS/guestOS,gemu2015/cocotron-sierra,cjwl/cocotron,cyclaero/cocotron,Suninus/cocotron,plasq/cocotron,guestOS/guestOS,JackLian/cocotron,cyclaero/cocotron,cjwl/cocotron,ruppmatt/cocotron,cjwl/cocotron,gemu2015/cocotron-sierra,JackLian/cocotron,cyclaero/cocotron,cneira/cocotron,JackLian/cocotron,plasq/cocotron,yuhangwang/cocotron,plasq/cocotron,cneira/cocotron,cjwl/cocotron,ruppmatt/cocotron,crystax/android-vendor-cocotron,Suninus/cocotron,cyclaero/cocotron,yuhangwang/cocotron,gemu2015/cocotron-sierra,guestOS/guestOS,cneira/cocotron