ARC: cosmetic: Remove unused ECR bitfield masks

 * [15: 8] = Exception Cause Code

 * [ 7: 0] = Exception Parameters (for certain types only)

 */

#define ECR_VEC_MASK			0xff0000

#define ECR_CODE_MASK			0x00ff00

#define ECR_PARAM_MASK			0x0000ff

/* Exception Cause Vector Values */

#define ECR_V_MEM_ERR			0x01

#define ECR_V_INSN_ERR			0x02

#define ECR_V_MACH_CHK			0x20

#define ECR_V_ITLB_MISS			0x21

#define ECR_V_PROTV			0x23

#define ECR_V_TRAP			0x25

/* Protection Violation Exception Cause Code Values */

/* DTLB Miss and Protection Violation Cause Codes */

#define ECR_C_PROTV_INST_FETCH		0x00

#define ECR_C_PROTV_LOAD		0x01

#define ECR_C_PROTV_STORE		0x02