src: Remove unused 'include <cpu/x86/msr.h>'

Found using:
diff <(git grep -l '#include <cpu/x86/msr.h>' -- src/) <(git grep -l 'IA32_EFER\|EFER_\|TSC_MSR\|IA32_\|FEATURE_CONTROL_LOCK_BIT\|FEATURE_ENABLE_VMX\|SMRR_ENABLE\|CPUID_\|SGX_GLOBAL_ENABLE\|PLATFORM_INFO_SET_TDP\|SMBASE_RO_MSR\|MCG_CTL_P\|MCA_BANKS_MASK\|FAST_STRINGS_ENABLE_BIT\|SPEED_STEP_ENABLE_BIT\|ENERGY_POLICY_\|SMRR_PHYSMASK_\|MCA_STATUS_\|VMX_BASIC_HI_DUAL_MONITOR\|MC0_ADDR\|MC0_MISC\|MC0_CTL_MASK\|msr_struct\|msrinit_struct\|soc_msr_read\|soc_msr_write\|rdmsr\|wrmsr\|mca_valid\|mca_over\|mca_uc\|mca_en\|mca_miscv\|mca_addrv\|mca_pcc\|mca_idv\|mca_cecc\|mca_uecc\|mca_defd\|mca_poison\|mca_sublink\|mca_err_code\|mca_err_extcode\|MCA_ERRCODE_\|MCA_BANK_\|MCA_ERRTYPE_\|mca_err_type\|msr_set_bit\|msr_t\|msrinit_t' -- src/) |grep '<'

Change-Id: I45a41e77e5269969280e9f95cfc0effe7f117a40
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
---
M src/cpu/intel/speedstep/acpi.c
M src/cpu/x86/lapic/apic_timer.c
M src/drivers/intel/gma/intel_ddi.c
M src/mainboard/bap/ode_e21XX/mainboard.c
M src/mainboard/intel/harcuvar/acpi_tables.c
M src/mainboard/kontron/ktqm77/early_init.c
M src/mainboard/lenovo/x220/early_init.c
M src/mainboard/scaleway/tagada/acpi_tables.c
M src/northbridge/intel/e7505/raminit.c
M src/northbridge/intel/ironlake/northbridge.c
M src/security/intel/stm/SmmStm.h
M src/soc/amd/common/block/psp/psp.c
M src/soc/amd/picasso/romstage.c
M src/soc/intel/apollolake/car.c
M src/soc/intel/apollolake/chip.c
M src/soc/intel/broadwell/cpu_info.c
M src/soc/intel/common/block/acpi/acpi.c
M src/soc/intel/quark/include/soc/reg_access.h
M src/soc/intel/xeon_sp/skx/soc_util.c
M src/southbridge/amd/pi/hudson/early_setup.c
20 files changed, 0 insertions(+), 20 deletions(-)