doc: rst syntax tweaks

There are some subtle syntax errors in some documents that, while they
render OK (most of the time), are being caught by rstcheck (a
restructuredText linter). This PR fixes most of the issues encountered.

Signed-off-by: David B. Kinder <david.b.kinder@intel.com>

doc/developer-guides/hld/hv-cpu-virt.rst

@@ -880,7 +880,7 @@ passthrough directly:
 
    * - MSR_IA32_BIOS_SIGN_ID
      - BIOS update signature ID
-     - "
+     - \"
 
    * - MSR_IA32_TIME_STAMP_COUNTER
      - Time-stamp counter
@@ -924,24 +924,24 @@ passthrough directly:
      - Handled by MTRR emulation.
 
    * - MSR_IA32_MTRR_DEF_TYPE
-     - "
-     - "
+     - \"
+     - \"
 
    * - MSR_IA32_MTRR_PHYSBASE_0~9
-     - "
-     - "
+     - \"
+     - \"
 
    * - MSR_IA32_MTRR_FIX64K_00000
-     - "
-     - "
+     - \"
+     - \"
 
    * - MSR_IA32_MTRR_FIX16K_80000/A0000
-     - "
-     - "
+     - \"
+     - \"
 
    * - MSR_IA32_MTRR_FIX4K_C0000~F8000
-     - "
-     - "
+     - \"
+     - \"
 
    * - MSR_IA32_X2APIC_*
      - x2APIC related MSRs (offset from 0x800 to 0x900)

doc/developer-guides/trusty.rst

@@ -107,7 +107,7 @@ be updated.
 .. figure:: images/ept-hierarchy.png
    :align: center
    :width: 800px
-   :name: EPT hierarchy
+   :name: EPT hierarchy pic
 
 API
 ===